/* cpst-tool.css — Cost per successful task tool, on spruce-st.com tokens.
   Scoped to .cpst-tool so it can sit inside site pages. Site tokens (--navy, --electric,
   --acc, --hairline, --slate, --mist, --wash, --ink, --paper) come from styles.css. */
.cpst-tool{
  --amber:#B7791F; --amber-bg:#FBF3E4; --good:#0F7B54; --good-bg:#E3F3EC; --teal-ink:var(--acc,#2FA396); --teal-ink-hover:#27907F;
  --rule:var(--hairline,#E1E8EF); --panel:var(--wash,#F7FAFC); --muted:var(--slate,#4A5A6A); --faint:var(--mist,#6B7A89);
  color:var(--ink,#1A1A1A); font-size:15.5px; line-height:1.55; font-feature-settings:"tnum" 1;
}
.cpst-tool *{box-sizing:border-box}
.cpst-tool [hidden]{display:none !important}
.cpst-tool .wrap{max-width:1100px;margin:0 auto;padding:40px 24px 72px;overflow:visible}
.cpst-tool a{color:var(--teal-ink);font-weight:600;text-decoration:none}
.cpst-tool a:hover{text-decoration:underline}
.cpst-tool p{margin:0 0 10px;max-width:72ch}
.cpst-tool p:last-child{margin-bottom:0}
.cpst-tool .muted{color:var(--muted)}
.cpst-tool .faint{color:var(--faint);font-size:13px}
.cpst-tool .small{font-size:13.5px;line-height:1.5}
.cpst-tool b,.cpst-tool strong{font-weight:700}

/* type */
.cpst-tool .wrap h1{color:var(--navy);font-size:clamp(30px,4vw,40px);font-weight:800;line-height:1.12;letter-spacing:-.015em;margin:0 0 14px}
.cpst-tool .wrap h2{color:var(--navy);font-size:23px;font-weight:800;line-height:1.2;letter-spacing:-.01em;margin:0 0 8px}
.cpst-tool .wrap h3{color:var(--navy);font-size:16px;font-weight:700;margin:0 0 6px;line-height:1.3}
.cpst-tool .lede{font-size:18px;line-height:1.55;color:var(--muted);max-width:66ch}
.cpst-tool .claim{padding:0 0 28px}
.cpst-tool .wrap section{padding:32px 0;border-top:1px solid var(--rule)}
.cpst-tool .wrap section+section{border-top:1px solid var(--rule)}

/* two columns above the fold */
.cpst-tool .cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start;border-top:1px solid var(--rule);padding-top:32px}
.cpst-tool .cols > section,.cpst-tool .cols .sticky > section{border-top:0;padding:0}
.cpst-tool .col-out .sticky{position:sticky;top:84px;padding:22px;border:1px solid var(--rule);border-radius:14px;background:#fff}
.cpst-tool .col-out .sticky section+section{margin-top:22px;padding-top:18px;border-top:1px solid var(--rule)}
.cpst-tool .col-out h2{font-size:21px}

/* tags — sentence case, always visible */
.cpst-tool .tag{display:inline-block;font-size:12px;font-weight:600;line-height:1.3;padding:3px 9px;border-radius:999px;vertical-align:middle;white-space:nowrap}
.cpst-tool .tag.illus{background:var(--amber-bg);color:var(--amber)}
.cpst-tool .tag.fact{background:#E7EEF6;color:var(--navy)}
.cpst-tool .tag.visitor{background:var(--good-bg);color:var(--good)}
.cpst-tool .tag.undet{background:var(--amber-bg);color:var(--amber);border:1px dashed var(--amber)}

/* staging / error banner */
.cpst-tool .banner{background:var(--amber-bg);border-left:4px solid var(--amber);border-radius:0 8px 8px 0;padding:12px 16px;margin:0 0 22px;font-size:14px;color:var(--ink)}

/* class cards */
.cpst-tool .class{border:1px solid var(--rule);border-radius:12px;padding:18px 20px;margin:0 0 14px;background:#fff;transition:border-color .15s ease}
.cpst-tool .class:focus-within{border-color:var(--acc,#2FA396)}
.cpst-tool .class-head{display:flex;align-items:center;gap:10px 12px;flex-wrap:wrap;margin-bottom:12px}
.cpst-tool .class-head select{width:auto;max-width:100%;font-weight:700;color:var(--navy);font-size:16px;padding:6px 30px 6px 8px;border-color:transparent;background-color:transparent;margin-left:-8px}
.cpst-tool .class-head select:hover{border-color:var(--rule)}
.cpst-tool .class.collapsed .grid,.cpst-tool .class.collapsed .row{display:none}
.cpst-tool .class.collapsed .class-head{margin-bottom:0}
.cpst-tool .collapse-toggle{margin-left:auto;background:transparent;color:var(--teal-ink);border:1px solid transparent;padding:6px 12px;font-size:14px;font-weight:700;border-radius:999px}
.cpst-tool .collapse-toggle:hover{border-color:var(--teal-ink);background:transparent;color:var(--teal-ink)}
.cpst-tool #frontier-picker .class-head{margin-bottom:8px}
.cpst-tool #frontier-picker .grid{grid-template-columns:1fr}
.cpst-tool #frontier-picker .grid > *{grid-column:1 / -1 !important}
.cpst-tool #frontier-picker .grid select{width:100%;font-weight:600}
.cpst-tool .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px}
.cpst-tool label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px;line-height:1.35}
.cpst-tool input[type=number],.cpst-tool select,.cpst-tool input[type=text],.cpst-tool input[type=email]{
  width:100%;font:inherit;font-size:15px;padding:8px 10px;border:1px solid var(--rule);border-radius:8px;background:#fff;color:var(--ink);min-height:40px}
.cpst-tool select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%234A5A6A' stroke-width='1.6'/></svg>");background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}
.cpst-tool input:focus-visible,.cpst-tool select:focus-visible,.cpst-tool button:focus-visible,.cpst-tool a:focus-visible,.cpst-tool summary:focus-visible{outline:3px solid var(--acc,#2FA396);outline-offset:2px;border-radius:8px}
.cpst-tool .fieldnote{font-size:12.5px;color:var(--faint);margin-top:4px;line-height:1.4}
.cpst-tool .row{display:flex;gap:12px 18px;flex-wrap:wrap;align-items:center}
.cpst-tool .check{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink);margin:0}
.cpst-tool .check input{accent-color:var(--teal-ink);width:17px;height:17px}

/* range controls — the range is the control */
.cpst-tool .range{display:flex;align-items:center;gap:10px;min-height:32px}
.cpst-tool .range input[type=range]{flex:1;min-width:0;height:28px;margin:0;appearance:none;-webkit-appearance:none;background:linear-gradient(var(--rule),var(--rule)) center / 100% 6px no-repeat;border-radius:3px;accent-color:var(--acc,#2FA396)}
.cpst-tool .range input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:transparent}
.cpst-tool .range input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:transparent}
.cpst-tool .range input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;margin-top:-8px;border-radius:50%;background:#fff;border:2.5px solid var(--acc,#2FA396);box-shadow:0 1px 3px rgba(31,78,121,.18)}
.cpst-tool .range input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:2.5px solid var(--acc,#2FA396);box-shadow:0 1px 3px rgba(31,78,121,.18)}
.cpst-tool .range output{min-width:4.5ch;text-align:right;font-weight:700;color:var(--navy);font-size:15px}
.cpst-tool .range .bounds{font-size:12px;color:var(--faint);min-width:8ch;white-space:nowrap}

/* buttons */
.cpst-tool button,.cpst-tool .btn-tool{font:inherit;font-size:15px;font-weight:700;padding:11px 20px;border-radius:999px;border:1.5px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer;line-height:1.2;transition:background .15s ease,color .15s ease,border-color .15s ease;display:inline-block;text-decoration:none}
.cpst-tool button:hover,.cpst-tool .btn-tool:hover{background:var(--teal-ink);border-color:var(--teal-ink);color:#fff;text-decoration:none}
.cpst-tool button.quiet,.cpst-tool .btn-tool.quiet{background:transparent;color:var(--teal-ink);border-color:var(--teal-ink)}
.cpst-tool button.quiet:hover,.cpst-tool .btn-tool.quiet:hover{background:rgba(47,163,150,.08);color:var(--teal-ink);border-color:var(--teal-ink)}
.cpst-tool button.link{background:none;border:0;padding:0;color:var(--teal-ink);text-decoration:underline;font-size:14px;font-weight:600;border-radius:4px}
.cpst-tool button.link:hover{background:none;color:var(--teal-ink-hover)}
.cpst-tool #add-class{margin-top:4px}

/* results */
.cpst-tool #tsdef{background:var(--panel);border-radius:8px;padding:10px 12px;color:var(--muted);font-size:13px;line-height:1.5;margin-bottom:10px}
.cpst-tool #tsdef b{color:var(--navy)}
.cpst-tool #illus-line{color:var(--muted);margin-bottom:6px}
.cpst-tool #rung-basis{color:var(--faint);font-size:12.5px;margin-bottom:6px}
.cpst-tool .result-class{padding:16px 0 18px;border-top:1px dashed var(--rule)}
.cpst-tool .result-class:first-child{border-top:0;padding-top:8px}
.cpst-tool .bars{display:grid;grid-template-columns:minmax(150px,190px) minmax(0,1fr) 84px;gap:8px 12px;align-items:center;margin:10px 0}
.cpst-tool .bars .lbl{font-size:13.5px;line-height:1.3;color:var(--ink)}
.cpst-tool .bars .track{height:20px;position:relative;min-width:0}
.cpst-tool .bars .bar{height:20px;border-radius:4px;background:var(--electric);min-width:4px}
.cpst-tool .bars .bar.win{background:var(--navy)}
.cpst-tool .bars .bar.visitor{background:repeating-linear-gradient(135deg,var(--good) 0 6px,#fff 6px 10px);border:2px solid var(--good)}
.cpst-tool .bars .bar.masked{background:repeating-linear-gradient(90deg,#C9D3DE 0 5px,transparent 5px 9px);opacity:.75}
.cpst-tool .bars .band{height:20px;width:100%;border-radius:4px;border:1.5px dashed var(--amber);background:repeating-linear-gradient(135deg,var(--amber-bg) 0 7px,#fff 7px 12px);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--amber)}
.cpst-tool .bars .val{text-align:right;font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}
.cpst-tool .bars .val.undet{color:var(--amber);font-weight:700;font-size:12px;white-space:normal;line-height:1.2}
.cpst-tool .verdict{margin-top:6px;font-size:14.5px}
.cpst-tool .verdict strong{color:var(--navy)}
.cpst-tool .verdict.same{background:var(--good-bg);color:var(--good);padding:8px 12px;border-radius:8px;display:inline-block}
.cpst-tool .inversion{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.45}
.cpst-tool .inversion b{color:var(--navy)}

/* summary figures */
.cpst-tool .figures{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:12px 0 10px}
.cpst-tool .fig{border-top:2px solid var(--navy);padding-top:8px;min-width:0}
.cpst-tool .fig .n{font-size:24px;font-weight:800;color:var(--navy);line-height:1.1;letter-spacing:-.01em;overflow-wrap:anywhere}
.cpst-tool .fig .l{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.4}
.cpst-tool #cogs-share{color:var(--muted)}

/* assumptions strip */
.cpst-tool .strip{background:var(--panel);border-radius:10px;padding:14px 16px;font-size:13.5px;line-height:1.5}
.cpst-tool .strip ul{margin:8px 0 0;padding-left:18px}
.cpst-tool .strip li{margin:5px 0}
.cpst-tool .strip input[type=number]{min-height:30px;padding:3px 8px;font-size:14px;border-radius:6px}

/* tables — equal weight, no row emphasis */
.cpst-tool .wrap table{border-collapse:collapse;width:100%;font-size:14px;margin:10px 0;background:transparent}
.cpst-tool .wrap th{text-align:left;font-weight:700;color:var(--navy);background:transparent;border-bottom:2px solid var(--rule);padding:8px 10px 8px 0;font-size:13.5px;line-height:1.35;white-space:nowrap}
.cpst-tool .wrap td{border-bottom:1px solid var(--rule);padding:9px 10px 9px 0;vertical-align:top;color:var(--ink);line-height:1.45}
.cpst-tool .wrap tr:last-child td{border-bottom:1px solid var(--rule)}
.cpst-tool .wrap td.num,.cpst-tool .wrap th.num{text-align:right}
.cpst-tool #managed-facts,.cpst-tool #ladder{overflow-x:auto;-webkit-overflow-scrolling:touch}
.cpst-tool #managed-facts table{min-width:640px}

/* rung 4 */
.cpst-tool .r4{border:1.5px dashed var(--amber);border-radius:12px;padding:16px 18px;background:#FFFDF9;margin:12px 0}
.cpst-tool .r4:has(.tag.visitor){border-style:solid;border-color:var(--good);background:#FBFEFC}
.cpst-tool .r4 .state{font-weight:700;color:var(--amber)}
.cpst-tool .r4:has(.tag.visitor) .state{color:var(--good)}
.cpst-tool .wrap details{margin:10px 0 0;border:0;border-radius:0;background:transparent;overflow:visible}
.cpst-tool .wrap summary{cursor:pointer;color:var(--teal-ink);font-size:14px;font-weight:600;padding:6px 0;background:transparent;list-style:none;display:flex;align-items:center;gap:8px}
.cpst-tool .wrap summary::-webkit-details-marker{display:none}
.cpst-tool .wrap summary::before{content:"";width:0;height:0;border-left:6px solid var(--teal-ink);border-top:4.5px solid transparent;border-bottom:4.5px solid transparent;flex:none;transition:transform .15s ease}
.cpst-tool .wrap details[open] > summary::before{transform:rotate(90deg)}
.cpst-tool .wrap details summary::before,.cpst-tool .wrap details[open] summary::before,.cpst-tool .wrap details[open] > summary::before{content:"";width:0;height:0;background:none}
.cpst-tool .q{margin:10px 0;display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:12px;align-items:center;max-width:560px}
.cpst-tool .q label{margin:0}
.cpst-tool .q input::placeholder{color:var(--faint);font-style:italic}

/* provenance — collapsible, never removed */
.cpst-tool details.prov-wrap > summary{padding:0;gap:12px}
.cpst-tool details.prov-wrap > summary h2{margin:0;color:var(--navy)}
.cpst-tool details.prov-wrap > summary::before{border-left-color:var(--navy);border-left-width:7px;border-top-width:5px;border-bottom-width:5px}
.cpst-tool .prov{font-size:13.5px;color:var(--muted);line-height:1.6;margin-top:14px}
.cpst-tool .prov code{font-family:var(--mono,ui-monospace,Menlo,monospace);font-size:12px;color:var(--ink);background:var(--panel);padding:1px 5px;border-radius:4px}

/* handoff — email is primary */
.cpst-tool .handoff{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px}

/* mobile-shell accordions */
.cpst-tool details.acc{border:1px solid var(--rule);border-radius:12px;padding:0 18px;margin:12px 0;background:#fff}
.cpst-tool details.acc > summary{padding:16px 0;color:var(--navy);font-size:18px;font-weight:800;gap:12px}
.cpst-tool details.acc > summary h2{margin:0;font-size:18px;display:inline}
.cpst-tool details.acc > summary::before{border-left-color:var(--navy)}
.cpst-tool details.acc > .acc-body{padding:0 0 18px}

/* compact block (inference page embed) */
.cpst-tool.compact{margin:0}
.cpst-tool.compact .wrap{padding:0;max-width:none}
.cpst-tool.compact .embed{border:1.5px solid var(--navy);border-radius:14px;padding:24px 26px 22px;background:#fff}
.cpst-tool.compact .embed-h{margin-bottom:18px}
.cpst-tool.compact .embed-h h2{font-size:24px;margin-bottom:6px}
.cpst-tool.compact .embed-h p{color:var(--muted);font-size:15px;max-width:none}
.cpst-tool.compact .cols{border-top:0;padding-top:0;gap:26px}
.cpst-tool.compact .col-out .sticky{position:static;max-height:none;overflow:visible;padding:0;border:0;background:transparent}
.cpst-tool.compact .class .row{display:none}
/* one class only: the script renders every preset; the block shows the first and nothing that aggregates the rest */
.cpst-tool.compact #classes .class:not(:first-child),.cpst-tool.compact #results .result-class:not(:first-child),.cpst-tool.compact .class-head .link{display:none}
.cpst-tool.compact .class{margin-bottom:12px}
.cpst-tool.compact .result-class{padding-top:6px}
.cpst-tool.compact #result-section{display:flex;flex-direction:column}
.cpst-tool.compact #result-section > #rung-basis{order:9;margin-top:10px}
.cpst-tool.compact #result-section > .embed-cta{order:10;margin-top:16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cpst-tool.compact #result-section > .embed-cta .faint{max-width:34ch;line-height:1.4}
.cpst-tool.compact .embed-note{margin-top:4px}

/* responsive */
/* 900–1100px: two columns still active but narrow — label takes its own row so the track keeps ≥140px */
@media (max-width:1100px) and (min-width:901px){
  .cpst-tool:not(.compact) .cols{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)}
  .cpst-tool .bars{grid-template-columns:minmax(0,1fr) 84px;gap:4px 10px}
  .cpst-tool .bars .lbl{grid-column:1 / -1;margin-top:6px}
  .cpst-tool .bars .lbl:first-child{margin-top:0}
}
@media (max-width:900px){
  .cpst-tool .cols{grid-template-columns:1fr;gap:24px}
  .cpst-tool .col-out .sticky{position:static;max-height:none;overflow:visible}
}
@media (max-width:640px){
  .cpst-tool{font-size:15px}
  .cpst-tool .wrap{padding:28px 18px 56px}
  .cpst-tool .wrap h1{font-size:28px}
  .cpst-tool .lede{font-size:16.5px}
  .cpst-tool .wrap h2{font-size:21px}
  .cpst-tool .wrap section{padding:26px 0}
  .cpst-tool .grid{grid-template-columns:1fr;gap:12px}
  .cpst-tool .class{padding:16px}
  .cpst-tool .col-out .sticky{padding:16px}
  .cpst-tool .bars{grid-template-columns:minmax(0,1fr) 84px;gap:4px 10px}
  .cpst-tool .bars .lbl{grid-column:1 / -1;margin-top:6px}
  .cpst-tool .bars .lbl:first-child{margin-top:0}
  .cpst-tool .figures{grid-template-columns:1fr;gap:12px}
  .cpst-tool .q{grid-template-columns:1fr;gap:4px}
  .cpst-tool .range input[type=range]::-webkit-slider-thumb{width:26px;height:26px;margin-top:-10px}
  .cpst-tool .range input[type=range]::-moz-range-thumb{width:26px;height:26px}
  .cpst-tool .range input[type=range]{height:34px}
  .cpst-tool button,.cpst-tool .btn-tool{min-height:44px;padding:11px 18px}
  .cpst-tool .handoff{flex-direction:column;align-items:stretch}
  .cpst-tool .handoff > *{text-align:center}
  .cpst-tool.compact .embed{padding:18px 16px}
  .cpst-tool.compact .embed-h h2{font-size:21px}
}
@media (prefers-reduced-motion:reduce){.cpst-tool *,.cpst-tool *::before{transition:none !important;animation:none !important}}


/* mobile shell — single column by construction, whatever the viewport */
.cpst-tool.mobile .cols{grid-template-columns:1fr;gap:24px}
.cpst-tool.mobile .col-out .sticky{position:static;max-height:none;overflow:visible}
.cpst-tool.mobile{font-size:15px}
.cpst-tool.mobile .wrap{padding:28px 18px 56px}
.cpst-tool.mobile .wrap h1{font-size:28px}
.cpst-tool.mobile .lede{font-size:16.5px}
.cpst-tool.mobile .wrap h2{font-size:21px}
.cpst-tool.mobile .wrap section{padding:26px 0}
.cpst-tool.mobile .grid{grid-template-columns:1fr;gap:12px}
.cpst-tool.mobile .class{padding:16px}
.cpst-tool.mobile .col-out .sticky{padding:16px}
.cpst-tool.mobile .bars{grid-template-columns:minmax(0,1fr) 84px;gap:4px 10px}
.cpst-tool.mobile .bars .lbl{grid-column:1 / -1;margin-top:6px}
.cpst-tool.mobile .bars .lbl:first-child{margin-top:0}
.cpst-tool.mobile .figures{grid-template-columns:1fr;gap:12px}
.cpst-tool.mobile .q{grid-template-columns:1fr;gap:4px}
.cpst-tool.mobile .range input[type=range]::-webkit-slider-thumb{width:26px;height:26px;margin-top:-10px}
.cpst-tool.mobile .range input[type=range]::-moz-range-thumb{width:26px;height:26px}
.cpst-tool.mobile .range input[type=range]{height:34px}
.cpst-tool.mobile button,.cpst-tool.mobile .btn-tool{min-height:44px;padding:11px 18px}
.cpst-tool.mobile .handoff{flex-direction:column;align-items:stretch}
.cpst-tool.mobile .handoff > *{text-align:center}
.cpst-tool.mobile.compact .embed{padding:18px 16px}
.cpst-tool.mobile.compact .embed-h h2{font-size:21px}
.cpst-tool.mobile .wrap{max-width:640px}


/* ---- v1.7 corrections (website chat) ---- */
.cpst-tool .grid > .range-row{grid-column:1 / -1}
.cpst-tool .range{display:flex;align-items:center;gap:14px;min-height:36px}
.cpst-tool .range input[type=range]{flex:1;min-width:220px}
.cpst-tool .range output{min-width:5ch;font-size:16px}
.cpst-tool .range-row .bounds{font-size:12.5px;color:var(--faint);margin-top:2px}
.cpst-tool label{font-size:13.5px;line-height:1.3;color:var(--muted);margin-bottom:5px;display:block}
.cpst-tool input[type=text],.cpst-tool input[type=number],.cpst-tool select{font-size:16px;padding:9px 11px}
.cpst-tool .fig-h{font-size:15px;font-weight:700;color:var(--navy);margin:14px 0 6px}
.cpst-tool .bars .val{white-space:nowrap}
.cpst-tool .bars .val.undet{font-size:11.5px}
.cpst-tool:not(.compact) .bars{grid-template-columns:220px 1fr 100px}
.cpst-tool .collapse-toggle{font-size:14px;font-weight:700;color:var(--teal-ink);background:none;border:0;padding:4px 6px;margin-left:auto;cursor:pointer}
.cpst-tool .collapse-toggle:hover{text-decoration:underline;background:none;color:var(--teal-ink)}
.cpst-tool .class-head .link{font-weight:600}
/* compact block: single column, inputs then result, no overflow */
.cpst-tool.compact .cols{grid-template-columns:1fr;gap:18px}
.cpst-tool.compact .col-out .sticky{position:static}
.cpst-tool.compact .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.cpst-tool.compact #figures{display:grid}
.cpst-tool.compact #result-section > #figures{order:5}
.cpst-tool.compact #result-section > .fig-h{order:4}
.cpst-tool.compact .bars{grid-template-columns:200px 1fr 84px}
.cpst-tool.compact .embed-cta{order:10}
@media (max-width:640px){.cpst-tool .range input[type=range]{min-width:0}.cpst-tool.compact .grid{grid-template-columns:1fr}}

/* ---- v1.9 density pass: explanation folds, gate floor stays open ---- */
.cpst-tool details.explain>summary::-webkit-details-marker{display:none}
.cpst-tool .r4-lead{margin:0 0 10px}
.cpst-tool tr.floor td{color:var(--muted)}
.cpst-tool .strip li{margin:2px 0}
.cpst-tool details.explain>summary::marker{content:"";display:none}
/* ---- v2.1 site conformance: buttons follow the site's .btn system (radius-md, 14px/500, light-blue hover), not pills ---- */
.cpst-tool button,.cpst-tool .btn-tool{border-radius:var(--radius-md,8px);font-size:14px;font-weight:500;padding:12px 28px;letter-spacing:-0.005em;border:1px solid var(--navy);background:var(--navy);color:#fff}
.cpst-tool button:hover,.cpst-tool .btn-tool:hover{background:var(--light-blue,#7CB3DE);border-color:var(--light-blue,#7CB3DE);color:var(--navy)}
.cpst-tool button.quiet,.cpst-tool .btn-tool.quiet{background:transparent;color:var(--navy);border-color:var(--navy)}
.cpst-tool button.quiet:hover,.cpst-tool .btn-tool.quiet:hover{background:var(--navy);color:#fff}
.cpst-tool button.link,.cpst-tool .collapse-toggle{border:0;background:none;padding:2px 6px;border-radius:0;font-size:14px;font-weight:700;color:var(--teal-ink)}
.cpst-tool button.link:hover,.cpst-tool .collapse-toggle:hover{background:none;color:var(--teal-ink);text-decoration:underline}
/* ---- v2.4 disclosure conformance: every fold uses the same rotating marker; the label and the text it opens share one left edge ---- */
.cpst-tool details.explain{margin:6px 0 12px}
.cpst-tool details.explain>summary{display:inline-flex;align-items:center;gap:7px;padding:4px 0;font-size:14px;font-weight:600;line-height:1.3;color:var(--teal-ink);text-underline-offset:3px}
.cpst-tool details.explain>summary::before{content:"";width:0;height:0;border-left:6px solid currentColor;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent;flex:none;transition:transform .15s ease}
.cpst-tool details.explain[open]>summary::before{content:"";transform:rotate(90deg)}
.cpst-tool details.explain>summary:hover{text-decoration:underline}
.cpst-tool details.explain>summary~*{margin:4px 0 0 13px}
.cpst-tool details.acc>summary{align-items:flex-start}
.cpst-tool details.acc>summary::before{margin-top:var(--acc-marker-top,8.5px)}