/* Creepage and clearance calculator. Builds on the .spec / .sp-* form styles
   in site.css; only what the calculator adds lives here. */

.cv{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);
  gap:clamp(28px,4vw,56px);align-items:start}
.cv-form{min-width:0}
.cv-form [hidden]{display:none !important}
.cv-step{padding:26px 0 24px;border-top:1px solid var(--line)}
.cv-step:first-of-type{border-top:0;padding-top:6px}
.cv-step .sp-gt{margin:20px 0 9px}
.cv-step .sp-gt:first-of-type{margin-top:0}
.cv-step .sp-hint{margin-top:12px;max-width:62ch}
.cv-mode{display:block !important}
.cv-solo{margin-top:16px}

.cv-form select{font-family:var(--mono);font-size:14.5px;width:100%;padding:11px 12px;
  border:1px solid var(--line);border-radius:8px;background:var(--sp-sunk);color:var(--text)}
.cv-form select:focus{outline:2px solid var(--accent);outline-offset:1px}
.cv-pair{display:grid;grid-template-columns:minmax(0,1fr) 92px;gap:8px}
.cv-seg{align-self:stretch}
.cv-seg label{padding:8px 14px;font-size:13.5px}

.cv-adv{margin-top:20px;border-top:1px dashed var(--line);padding-top:14px}
.cv-adv summary{cursor:pointer;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-dim);list-style:none}
.cv-adv summary::-webkit-details-marker{display:none}
.cv-adv summary::before{content:"+ "}
.cv-adv[open] summary::before{content:"\2212  "}
.cv-adv summary:hover{color:var(--accent)}
.cv-adv .sp-fields{margin-top:16px}

.cv-gate{border-bottom:0;border-top:1px solid var(--line);margin-top:26px}
.cv-gate .sp-fields{grid-template-columns:repeat(2,1fr)}

/* result card: stays in view while the form scrolls */
.cv-out{position:sticky;top:calc(var(--nav-h) + 22px);min-width:0}
.cv-card{padding:24px 24px 22px;border:1px solid var(--line-strong);border-radius:14px;
  background:var(--sp-sunk)}
.cv-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--copper)}
.cv-nums{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin-top:16px}
@media(max-width:380px){.cv-nums{grid-template-columns:1fr}}
.cv-num .v{white-space:nowrap}
.cv-num .v small.none{white-space:normal;margin-left:0;font-size:12.5px;color:var(--text-dim)}
.cv-num{display:flex;flex-direction:column;gap:2px}
.cv-num .k{font-size:12.5px;color:var(--text-dim)}
.cv-num .v{font-family:var(--display);font-weight:800;font-variation-settings:"wdth" 108;
  font-size:clamp(34px,4.4vw,48px);line-height:1.05;letter-spacing:-.02em;color:var(--text)}
.cv-num .v small{font-family:var(--mono);font-weight:400;font-size:15px;letter-spacing:0;
  color:var(--text-dim);margin-left:6px}
.cv-card[data-state="empty"] .cv-num .v{color:var(--line-strong)}

.cv-draw{display:block;width:100%;height:auto;margin:20px 0 4px;color:var(--text-dim)}
.cv-draw .bx{fill:var(--panel-hi);stroke:currentColor;stroke-width:1}
.cv-draw .cd{fill:var(--copper)}
.cv-draw .cl{fill:none;stroke:var(--accent);stroke-width:1.6;stroke-dasharray:4 4}
.cv-draw .cr{fill:none;stroke:var(--copper);stroke-width:1.8}
.cv-draw .lb{font-family:var(--mono);font-size:9.5px;fill:currentColor}

.cv-facts{margin:16px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;
  font-size:13.5px;border-top:1px solid var(--line);padding-top:14px}
.cv-facts:empty{display:none}
.cv-facts dt{color:var(--text-dim)}
.cv-facts dd{margin:0;font-family:var(--mono);color:var(--text);text-align:right}
.cv-notes{margin:14px 0 0;padding:0;list-style:none;font-size:13px;color:var(--text-dim);
  display:grid;gap:7px}
.cv-notes:empty{display:none}
.cv-notes li{padding-left:14px;position:relative;line-height:1.45}
.cv-notes li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:1px;
  background:var(--copper)}
.cv-empty{margin-top:14px;font-size:13.5px;color:var(--text-dim)}
.cv-after{display:none;flex-wrap:wrap;gap:10px;margin-top:20px}
.cv-card[data-state="done"] .cv-empty{display:none}
.cv-card[data-state="done"] .cv-after{display:flex}
.cv-card[data-state="busy"]{opacity:.55}
.cv-after .btn{padding:9px 16px;font-size:13.5px}
.cv-small{margin-top:14px;font-size:12px;line-height:1.5;color:var(--sp-faint)}

@media (max-width:900px){
  .cv{grid-template-columns:1fr}
  .cv-out{position:static}
  .cv-gate .sp-fields{grid-template-columns:1fr}
}