/* ===== Calculator (scoped to .eic) ===== */
.eic{--panel:#0B0D12;--line:#1E2330;--ink:#E8ECF4;--mute:#8A93A6;--dim:#5E6679;
  color:var(--ink);font-family:'IBM Plex Sans',system-ui,sans-serif;max-width:1040px;margin:0 auto;padding:72px 16px 96px}
.eic *{box-sizing:border-box}
.eic-step{margin-bottom:96px}
.eic-kicker{font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.2em;color:var(--arc);text-transform:uppercase;display:flex;align-items:center;gap:10px}
.eic-kicker::before{content:"";width:24px;height:1px;background:var(--arc)}
.eic h2{font-family:'Saira Condensed',sans-serif;font-weight:800;font-size:clamp(40px,6.4vw,58px);line-height:.95;text-transform:uppercase;margin:14px 0 20px;letter-spacing:.01em}
.eic h2 span{color:var(--spark)}
.eic-lede{color:#C9D0DD;max-width:620px;line-height:1.6;margin:0 0 8px;font-size:15px}
.eic-part{display:flex;align-items:baseline;gap:12px;margin:44px 0 0;font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
.eic-part b{color:var(--arc);font-weight:500}
.eic-part em{font-style:normal;color:var(--dim);letter-spacing:.04em;text-transform:none}
.eic-grid{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:14px}
.eic-cell{background:var(--panel);padding:18px 18px 16px;min-width:0}
.eic-cell.wide{grid-column:1/-1}
.eic-label{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font:500 10.5px 'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.eic-val{font:500 14px 'IBM Plex Mono',monospace;color:var(--spark);letter-spacing:0;white-space:nowrap}
.eic-note{font:400 11.5px/1.55 'IBM Plex Mono',monospace;color:var(--dim);margin-top:10px}
.eic-note strong{color:var(--mute);font-weight:500}
.eic-warn{color:var(--live)}
.eic-now{font:500 12px 'IBM Plex Mono',monospace;color:var(--ink);margin-top:10px}
.eic-now span{color:var(--dim)}

.eic-seg{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.eic-seg button{font:500 12px 'IBM Plex Mono',monospace;background:transparent;color:var(--ink);border:1px solid var(--line);padding:9px 12px;cursor:pointer;border-radius:0;transition:border-color .15s,background .15s}
.eic-seg button.on{background:var(--arc);border-color:var(--arc);color:#fff}
.eic-seg button:hover:not(.on):not(:disabled){border-color:var(--arc)}
.eic-seg button:disabled{opacity:.45;cursor:not-allowed}
.eic-seg button:focus-visible,.eic-btn:focus-visible{outline:1px solid var(--spark);outline-offset:2px}

.eic-lock{display:flex;align-items:baseline;gap:10px;margin-top:12px;font:600 26px 'Saira Condensed',sans-serif;color:var(--ink)}
.eic-chip{font:500 9.5px 'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--spark);border:1px solid var(--line);padding:3px 6px}
.eic-done{font:600 22px 'Saira Condensed',sans-serif;color:var(--spark);margin-top:12px;text-transform:uppercase;letter-spacing:.02em}

.eic-btn{display:block;width:100%;margin-top:14px;font:500 11px 'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--spark);background:transparent;border:1px solid var(--arc);padding:10px;cursor:pointer}
.eic-btn:hover{background:var(--arc);color:#fff}

.eic input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:20px;background:transparent;margin:14px 0 2px;cursor:pointer;--p:50%}
.eic input[type=range]::-webkit-slider-runnable-track{height:2px;background:linear-gradient(to right,var(--arc) var(--p),var(--line) var(--p))}
.eic input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--arc);border:2px solid var(--panel);box-shadow:0 0 0 1px var(--arc);margin-top:-6px}
.eic input[type=range]::-moz-range-track{height:2px;background:var(--line)}
.eic input[type=range]::-moz-range-progress{height:2px;background:var(--arc)}
.eic input[type=range]::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:var(--arc);border:2px solid var(--panel)}
.eic input[type=range]:focus-visible{outline:1px solid var(--spark);outline-offset:4px}

.eic-res .eic-cell{padding:20px 18px}
.eic-big{font:800 34px/1 'Saira Condensed',sans-serif;margin-top:12px;color:var(--ink)}
.eic-big.hot{color:var(--live)}
.eic-big.cool{color:var(--spark)}
.eic-changes{list-style:none;margin:0;padding:0}
.eic-changes li{display:grid;grid-template-columns:110px 1fr auto;gap:12px;padding:10px 0;border-top:1px solid var(--line);font:400 12px 'IBM Plex Mono',monospace;color:var(--ink)}
.eic-changes li:first-child{border-top:0}
.eic-changes li span:first-child{color:var(--mute);letter-spacing:.12em;text-transform:uppercase;font-size:10.5px;padding-top:2px}
.eic-changes li span:last-child{color:var(--spark);text-align:right;white-space:nowrap}
.eic-fine{font:400 11.5px/1.6 'IBM Plex Mono',monospace;color:var(--dim);margin-top:16px;max-width:760px}


/* ===== Equipment cards ===== */
.eic-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:16px}
.eic-card{position:relative;overflow:hidden;border:1px solid #1F2A44;border-radius:14px;padding:22px 22px 20px;
  background:linear-gradient(160deg,#0E1424 0%,#0A0E18 60%,#080B12 100%);min-width:0}
.eic-card-bg{position:absolute;inset:0 0 0 auto;width:62%;background-size:cover;background-position:center right;opacity:.55;pointer-events:none;
  -webkit-mask-image:linear-gradient(to left,#000 10%,transparent 95%);mask-image:linear-gradient(to left,#000 10%,transparent 95%)}
.eic-card>*:not(.eic-card-bg){position:relative;z-index:1}
.eic-card-head{display:flex;align-items:center;gap:16px}
.eic-ico{flex:none;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:rgba(10,14,24,.85);border:1px solid #243150;color:var(--ink)}
.eic-ico svg{width:26px;height:26px}
.eic-card h3{margin:0;font:600 22px/1.15 'IBM Plex Sans',system-ui,sans-serif;color:var(--ink)}
.eic-card-sub{margin-top:4px;font-size:13.5px;color:var(--mute)}
.eic-card-now{margin-top:4px;font-size:13.5px;color:var(--mute)}
.eic-card-now b{color:var(--ink);font-weight:500}
.eic-opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:20px}
.eic-opt{display:flex;align-items:center;gap:10px;text-align:left;font:500 13.5px/1.25 'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);
  background:rgba(8,11,18,.78);border:1px solid #26314C;border-radius:9px;padding:13px 14px;cursor:pointer;transition:border-color .15s,background .15s;min-height:50px}
.eic-opt svg{flex:none;width:19px;height:19px;color:#B9C3D8}
.eic-opt:hover:not(.on):not(:disabled){border-color:var(--arc)}
.eic-opt.on{background:var(--arc);border-color:var(--arc);color:#fff}
.eic-opt.on svg{color:#fff}
.eic-opt:disabled{opacity:.4;cursor:not-allowed}
.eic-opt:focus-visible{outline:2px solid var(--spark);outline-offset:2px}

.eic-eff{margin-top:18px;padding:16px 16px 14px;border-radius:10px;background:rgba(6,8,13,.82);border:1px solid #1F2A44}
.eic-eff.pop{animation:eicPop .32s ease-out}
@keyframes eicPop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.eic-eff .eic-lock{margin-top:8px}
.eic-eff .eic-note{margin-top:8px}
.eic-eff-done{font:600 20px 'Saira Condensed',sans-serif;color:var(--spark);text-transform:uppercase;letter-spacing:.02em}
.eic-card.full{grid-column:1/-1}
.eic-tiles{display:grid;grid-template-columns:repeat(var(--tcols,4),minmax(0,1fr));gap:12px;margin-top:20px}
.eic-tile{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;text-align:left;min-height:250px;padding:16px;
  border:1px solid #26314C;border-radius:12px;background:#0A0E18 center/cover no-repeat;color:var(--ink);cursor:pointer;font:inherit;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.eic-tile::before{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(6,9,16,.97) 0%,rgba(6,9,16,.82) 38%,rgba(6,9,16,.25) 75%,rgba(6,9,16,.1) 100%);transition:background .15s}
.eic-tile>*{position:relative}
.eic-tile.no-photo{background:radial-gradient(circle at 70% 30%,#16213A,#0A0E18 70%)}
.eic-tile .eic-ico{position:absolute;top:14px;left:14px;width:48px;height:48px}
.eic-tile .eic-ico svg{width:23px;height:23px}
.eic-tile-name{font:600 19px/1.15 'IBM Plex Sans',system-ui,sans-serif}
.eic-tile-desc{margin-top:6px;font-size:13px;line-height:1.4;color:#B4BDD0}
.eic-tile-mark{position:absolute;right:12px;bottom:12px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;border:1px solid #3A4766;background:rgba(6,9,16,.7);opacity:0;transform:scale(.8);transition:.15s}
.eic-tile-mark svg{width:16px;height:16px}
.eic-tile:hover:not(.on){border-color:var(--arc);transform:translateY(-2px)}
.eic-tile.on{border-color:var(--arc);box-shadow:0 0 0 1px var(--arc),0 8px 30px rgba(47,107,255,.28)}
.eic-tile.on::before{background:linear-gradient(to top,rgba(10,24,66,.96) 0%,rgba(8,16,44,.72) 38%,rgba(6,9,16,.08) 80%)}
.eic-tile.on .eic-ico{background:var(--arc);border-color:var(--arc)}
.eic-tile.on .eic-tile-mark{opacity:1;transform:none;background:var(--arc);border-color:var(--arc)}
.eic-tile.on .eic-tile-desc{padding-right:34px}
.eic-tile:focus-visible{outline:2px solid var(--spark);outline-offset:2px}
@media(max-width:900px){.eic-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:420px){.eic-tile{min-height:200px;padding:12px}.eic-tile-name{font-size:16px}.eic-tile-desc{font-size:12px}}
@media(max-width:760px){.eic-cards{grid-template-columns:1fr}.eic-card-bg{width:80%;opacity:.35}}
@media(prefers-reduced-motion:reduce){.eic-eff.pop{animation:none}}

.eic-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}
.eic-field{display:flex;flex-direction:column;gap:7px}
.eic-field.wide{grid-column:1/-1}
.eic-field label{font:500 10.5px 'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.eic-field label i{font-style:normal;color:var(--dim);letter-spacing:.04em;text-transform:none}
.eic-field input,.eic-field textarea{font:400 15px 'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:rgba(6,8,13,.85);border:1px solid #26314C;border-radius:9px;padding:12px 14px;width:100%}
.eic-field textarea{min-height:96px;resize:vertical}
.eic-field input:focus,.eic-field textarea:focus{outline:none;border-color:var(--arc);box-shadow:0 0 0 1px var(--arc)}
.eic-submit{grid-column:1/-1;justify-self:start;font:600 15px 'IBM Plex Sans',system-ui,sans-serif;color:#fff;background:var(--arc);border:0;border-radius:9px;padding:14px 26px;cursor:pointer}
.eic-submit:hover{filter:brightness(1.12)}
.eic-submit:disabled{opacity:.6;cursor:wait}
.eic-submit:focus-visible{outline:2px solid var(--spark);outline-offset:2px}
.eic-status{grid-column:1/-1;font:400 14px/1.5 'IBM Plex Sans',system-ui,sans-serif;color:var(--mute);min-height:1em}
.eic-status.ok{color:var(--spark)}
.eic-status.err{color:var(--live)}
.eic-hide{position:absolute;left:-9999px}
.eic-share{margin-top:28px;padding-top:22px;border-top:1px solid #1F2A44}
.eic-share-note{margin:8px 0 0;font-size:13.5px;line-height:1.55;color:var(--mute);max-width:640px}
.eic-share-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.eic-share-row input{flex:1 1 260px;min-width:0;font:400 13px 'IBM Plex Mono',monospace;color:var(--spark);background:rgba(6,8,13,.85);border:1px solid #26314C;border-radius:9px;padding:12px 14px}
.eic-copy{display:inline-flex;align-items:center;justify-content:center;font:600 14px 'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:transparent;border:1px solid var(--arc);border-radius:9px;padding:0 18px;min-height:44px;cursor:pointer;text-decoration:none}
.eic-copy:hover{background:var(--arc);color:#fff}
.eic-copy:focus-visible{outline:2px solid var(--spark);outline-offset:2px}
.eic-loaded-wrap{padding:24px 16px 0}
.eic-loaded{font:400 14px/1.5 'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:rgba(47,107,255,.12);border:1px solid var(--arc);border-radius:10px;padding:12px 16px}
@media(max-width:760px){.eic-form{grid-template-columns:1fr}}
@media(max-width:760px){
  .eic-grid{grid-template-columns:1fr !important}
  .eic-changes li{grid-template-columns:1fr auto}
  .eic-changes li span:first-child{grid-column:1/-1}
}