.cz-engine{max-width:1140px;margin:0 auto;background:var(--cz-color-bg);border:1px solid var(--cz-color-border);border-radius:16px;overflow:hidden;box-shadow:0 4px 24px rgba(26,32,44,.06)}

.cz-eng-head{padding:20px 24px;border-bottom:1px solid var(--cz-color-border-light);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.cz-eng-head h3{font-family:var(--cz-font-serif);font-weight:400;font-size:22px;color:var(--cz-color-heading);margin:0}
.cz-eng-head .cz-eng-sub{font-size:13px;color:var(--cz-color-text-muted);margin-top:2px}
.cz-eng-live{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--cz-color-primary);background:var(--cz-color-primary-bg);padding:6px 11px;border-radius:999px}
.cz-eng-live::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--cz-color-primary);animation:czpulse 2s infinite}
@keyframes czpulse{0%,100%{opacity:1}50%{opacity:.35}}

.cz-verdict{padding:22px 24px;background:linear-gradient(160deg,#f7faff,#eef4ff);border-bottom:1px solid var(--cz-color-border-light)}
.cz-verdict.close{background:linear-gradient(160deg,#fffdf5,#fff8e8)}
.cz-verdict-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.cz-verdict-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--cz-color-text-muted)}
.cz-conf{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:5px 11px;border-radius:999px;background:var(--cz-color-success-bg);color:var(--cz-color-success)}
.cz-conf.mod{background:var(--cz-color-warning-bg);color:var(--cz-color-warning)}
.cz-conf .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.cz-verdict-row{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.cz-verdict-call{font-family:var(--cz-font-serif);font-size:33px;line-height:1.08;font-weight:400;color:var(--cz-color-heading)}
.cz-verdict-call .em{color:var(--cz-color-success)}
.cz-verdict-call.gas .em{color:var(--cz-color-warning)}
.cz-verdict-call.tied .em{color:var(--cz-color-text-light)}
.cz-verdict-amt{margin-left:auto;text-align:right}
.cz-verdict-amt .n{font-family:var(--cz-font-serif);font-size:38px;line-height:1;color:var(--cz-color-success)}
.cz-verdict-amt.gas .n{color:var(--cz-color-warning)}
.cz-verdict-amt.tied .n{color:var(--cz-color-text-light)}
.cz-verdict-amt .l{font-size:12px;color:var(--cz-color-text-muted);margin-top:3px}
.cz-verdict-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.cz-pill{font-size:12px;font-weight:600;color:var(--cz-color-text-light);background:#fff;border:1px solid var(--cz-color-border);padding:7px 12px;border-radius:999px}
.cz-pill b{color:var(--cz-color-heading)}

.cz-eng-inputs{padding:18px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cz-eng-inputs .cz-fld.wide{grid-column:span 2}
.cz-fld label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--cz-color-text-light);margin-bottom:6px}
.cz-fld input,.cz-fld select{width:100%;padding:10px 12px;border:1px solid var(--cz-color-border);border-radius:8px;font-family:var(--cz-font-sans);font-size:15px;color:var(--cz-color-heading);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
.cz-fld input:focus,.cz-fld select:focus{border-color:var(--cz-color-primary);box-shadow:0 0 0 3px var(--cz-color-primary-bg)}

/* Cost-curve break-even visualization */
.cz-curve{padding:4px 24px 22px}
.cz-curve-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--cz-color-text-muted);margin-bottom:6px}
.cz-curve-note{font-size:12px;color:var(--cz-color-text-muted);margin-bottom:10px}
.cz-curve-wrap{position:relative;width:100%}
.cz-curve svg{width:100%;height:auto;display:block}
.cz-curve-legend{display:flex;gap:16px;margin-top:8px;font-size:12px}
.cz-curve-legend span{display:inline-flex;align-items:center;gap:6px;color:var(--cz-color-text-light)}
.cz-curve-legend .sw{width:14px;height:3px;border-radius:2px}

.cz-receipt{margin:0 24px 16px;border:1px solid var(--cz-color-border);border-radius:12px;overflow:hidden}
.cz-receipt-head{background:var(--cz-color-bg-soft);padding:12px 16px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--cz-color-text-muted);border-bottom:1px solid var(--cz-color-border-light);display:flex;justify-content:space-between;align-items:center}
.cz-receipt-
.cz-receipt-line{display:flex;gap:12px;padding:8px 0;font-size:14px;border-bottom:1px dashed var(--cz-color-border-light);line-height:1.5;align-items:baseline}
.cz-receipt-line:last-child{border-bottom:none}
.cz-receipt-line .k{font-weight:700;color:var(--cz-color-text-light);min-width:110px;width:110px;flex:0 0 110px;margin-right:4px;display:inline-block}
.cz-receipt-line .v{color:var(--cz-color-text);flex:1 1 auto;min-width:0}
.cz-receipt-line .v .pos{color:var(--cz-color-success);font-weight:700}
.cz-receipt-line .v .neg{color:var(--cz-color-severe);font-weight:700}

/* Bottom line card */
.cz-bottomline{margin:0 24px 16px;border:1.5px solid var(--cz-color-primary);border-radius:12px;padding:18px 20px;background:var(--cz-color-primary-bg)}
.cz-bottomline .bl-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--cz-color-primary);margin-bottom:8px}
.cz-bottomline .bl-text{font-family:var(--cz-font-serif);font-size:19px;line-height:1.4;color:var(--cz-color-heading)}

.cz-horizon{margin:0 24px 18px;background:var(--cz-color-bg-tinted);border:1px solid var(--cz-color-border-light);border-radius:12px;padding:16px}
.cz-horizon-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--cz-color-text-muted);margin-bottom:4px}
.cz-horizon-note{font-size:12px;color:var(--cz-color-text-muted);margin-bottom:12px;line-height:1.5}
.cz-horizon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cz-horizon-cell{background:#fff;border:1px solid var(--cz-color-border);border-radius:8px;padding:12px;text-align:center}
.cz-horizon-cell .hm{font-size:12px;color:var(--cz-color-text-muted)}
.cz-horizon-cell .hv{font-family:var(--cz-font-serif);font-size:20px;margin-top:4px}
.cz-horizon-cell .hv.pos{color:var(--cz-color-success)}
.cz-horizon-cell .hv.neg{color:var(--cz-color-warning)}
.cz-horizon-cell.active{border-color:var(--cz-color-primary);box-shadow:0 0 0 2px var(--cz-color-primary-bg)}

.cz-actions{display:flex;gap:10px;padding:0 24px 20px;flex-wrap:wrap}
.cz-btn{flex:1;min-width:160px;padding:12px 16px;border-radius:8px;font-family:var(--cz-font-sans);font-size:14px;font-weight:700;cursor:pointer;border:1px solid var(--cz-color-border);background:#fff;color:var(--cz-color-text);transition:all .15s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.cz-btn:hover{border-color:var(--cz-color-primary);color:var(--cz-color-primary)}
.cz-btn.primary{background:var(--cz-color-primary);color:#fff;border-color:var(--cz-color-primary)}
.cz-btn.primary:hover{background:var(--cz-color-primary-hover);color:#fff}
.cz-copied{font-size:12px;color:var(--cz-color-success);font-weight:700;align-self:center}


/* Collapsible supporting detail */
.cz-details{margin:0 24px 18px;border:1px solid var(--cz-color-border);border-radius:12px;overflow:hidden}
.cz-details summary{padding:13px 16px;font-size:13px;font-weight:700;color:var(--cz-color-primary);cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px;background:var(--cz-color-bg-soft);user-select:none}
.cz-details summary::-webkit-details-marker{display:none}
.cz-details summary::before{content:'▸';font-size:11px;transition:transform .2s}
.cz-details[open] summary::before{transform:rotate(90deg)}
.cz-details summary:hover{color:var(--cz-color-primary-hover)}
.cz-details-
.cz-details .cz-curve,.cz-details .cz-horizon{margin-left:16px;margin-right:16px}
.cz-details .cz-curve{padding-left:0;padding-right:0}

/* Driver breakdown viz — reads in 3s */
.cz-drivers-viz{padding:4px 24px 18px}
.cz-dv-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--cz-color-text-muted);margin-bottom:14px}
.cz-dv-row{display:grid;grid-template-columns:130px 1fr 78px;align-items:center;gap:10px;margin-bottom:9px}
.cz-dv-name{font-size:13px;color:var(--cz-color-text-light);text-align:right;font-weight:600}
.cz-dv-track{position:relative;height:22px;background:var(--cz-color-bg-soft);border-radius:5px;overflow:hidden}
.cz-dv-center{position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--cz-color-border)}
.cz-dv-bar{position:absolute;top:3px;height:16px;border-radius:3px;transition:all .4s ease}
.cz-dv-bar.ev{background:var(--cz-color-success);right:50%}
.cz-dv-bar.gas{background:var(--cz-color-warning);left:50%}
.cz-dv-amt{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.cz-dv-amt.ev{color:var(--cz-color-success);text-align:left}
.cz-dv-amt.gas{color:var(--cz-color-warning);text-align:left}
.cz-dv-net{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding:12px 14px;background:var(--cz-color-bg-tinted);border-radius:8px;border:1px solid var(--cz-color-border-light)}
.cz-dv-net .nl{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--cz-color-text-muted)}
.cz-dv-net .nv{font-family:var(--cz-font-serif);font-size:22px}
.cz-dv-net .nv.ev{color:var(--cz-color-success)}
.cz-dv-net .nv.gas{color:var(--cz-color-warning)}
.cz-dv-net .nv.tied{color:var(--cz-color-text-light)}
.cz-dv-legend{display:flex;gap:16px;margin-top:10px;font-size:11px;color:var(--cz-color-text-muted)}
.cz-dv-legend span{display:inline-flex;align-items:center;gap:5px}
.cz-dv-legend .sw{width:12px;height:12px;border-radius:3px}
.cz-dv-note{font-size:11px;color:var(--cz-color-text-faint);font-style:italic;margin-top:10px;line-height:1.5}

/* Canonical citation statement — quotable, attributed */
.cz-cite{padding:16px 24px;background:var(--cz-color-bg-soft);border-bottom:1px solid var(--cz-color-border-light)}
.cz-cite-claim{margin:0 0 8px;font-size:14.5px;line-height:1.6;color:var(--cz-color-text)}
.cz-cite-claim strong{color:var(--cz-color-heading)}
.cz-cite-src{margin:0;font-size:11.5px;color:var(--cz-color-text-muted);line-height:1.5}
.cz-cite-src a{color:var(--cz-color-primary);text-decoration:none}
.cz-cite-src a:hover{text-decoration:underline}
.cz-eng-foot{padding:14px 24px;border-top:1px solid var(--cz-color-border-light);font-size:11px;color:var(--cz-color-text-faint);font-style:italic;line-height:1.55}
.cz-eng-foot b{color:var(--cz-color-text-muted);font-style:normal}

@media(max-width:680px){
  .cz-eng-inputs{grid-template-columns:1fr 1fr}
  .cz-eng-inputs .cz-fld.wide{grid-column:span 2}
  .cz-horizon-grid{grid-template-columns:1fr}
  .cz-verdict-call{font-size:26px}
  .cz-verdict-amt{margin-left:0;text-align:left;width:100%;margin-top:8px}
  .cz-verdict-amt .n{font-size:30px}
  .cz-actions{flex-direction:column}
}

/* ===== Comparison cards (a26) — horizontal, styled ===== */
.a26-compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.a26-compare-card{border:2px solid var(--cz-color-border);border-radius:10px;overflow:hidden}
.a26-compare-card.ev-card{border-color:var(--cz-color-primary)}
.a26-compare-card.gas-card{border-color:#aaa}
.a26-card-header{padding:12px 16px;font-weight:700;font-size:13px;letter-spacing:.05em;text-transform:uppercase;display:flex;align-items:center;gap:8px}
.a26-card-header.ev-header{background:var(--cz-color-primary);color:#fff}
.a26-card-header.gas-header{background:var(--cz-color-heading);color:#fff}
.a26-card-icon{font-size:16px}
.a26-card-body{padding:14px 16px;background:#fff}
.a26-cost-main{font-family:var(--cz-font-serif);font-size:28px;color:var(--cz-color-heading);line-height:1;margin-bottom:3px}
.a26-cost-main.ev-cost{color:var(--cz-color-primary)}
.a26-cost-main.gas-cost{color:var(--cz-color-text)}
.a26-cost-label{font-size:12px;color:var(--cz-color-text-muted);margin-bottom:12px}
.a26-breakdown{list-style:none;border-top:1px solid var(--cz-color-border);margin:0;padding:0}
.a26-breakdown li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--cz-color-border-light);font-size:14px}
.a26-breakdown li:last-child{border-bottom:none}
.a26-breakdown .cat{color:var(--cz-color-text-light)}
.a26-breakdown .val{font-weight:600;color:var(--cz-color-text)}
.a26-breakdown .val.win{color:var(--cz-color-success)}
.a26-breakdown .val.loss{color:var(--cz-color-severe)}
.a26-verdict{margin-top:10px;padding-top:10px;border-top:1px solid var(--cz-color-border);font-size:13px;font-weight:700;color:var(--cz-color-text-light)}
@media(max-width:600px){.a26-compare-grid{grid-template-columns:1fr}}