:root {
  --canvas:#edf1f2;
  --surface:#fff;
  --surface-subtle:#f7f9f9;
  --ink:#17252a;
  --muted:#61747b;
  --faint:#87969b;
  --line:#d5dde0;
  --green:#367a66;
  --green-dark:#285d4e;
  --green-soft:#e8f1ed;
  --danger:#a44740;
  --danger-soft:#faecea;
  --graphite-950:#141b1e;
  --graphite-900:#1d262a;
  --graphite-800:#29353a;
  --radius:4px;
  --shadow:0 5px 16px rgba(23,37,42,.055);
  --sans:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  --mono:"Cascadia Code","SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:300px;background:var(--canvas);color:var(--ink);font-family:var(--sans);font-size:13px;line-height:1.45}
button,input,select{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.48}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.topbar{position:sticky;top:0;z-index:40;height:60px;padding:0 24px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);display:flex;align-items:center;justify-content:space-between}
.product{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.product-mark{background:var(--graphite-900);color:#e1ebe7;padding:7px 6px;border-radius:2px;font:700 11px var(--mono);letter-spacing:1px}
.product strong,.product small{display:block}
.product strong{font-size:14px}
.product small{margin-top:1px;color:var(--muted);font:9px var(--mono);letter-spacing:.7px}
.topbar p{margin:0;color:var(--muted);font:10px var(--mono)}
.topbar p b{font-weight:500}
.status-dot{display:inline-block;width:7px;height:7px;margin-right:7px;border:1px solid var(--green-dark);border-radius:50%;background:var(--green)}
.console-shell{width:100%;max-width:1540px;margin:0 auto;padding:20px;display:grid;grid-template-columns:200px minmax(560px,1fr) 340px;gap:18px;align-items:start}
.console-nav{position:sticky;top:80px;min-height:calc(100vh - 100px);padding:20px 14px;background:var(--graphite-900);color:#edf3f1;border-radius:var(--radius)}
.nav-kicker,.section-tag{margin:0;color:#79aa98;font:700 9px var(--mono);letter-spacing:1.15px}
.console-nav h1{margin:5px 5px 20px;font-size:18px;font-weight:650}
.console-nav nav{display:grid;gap:3px}
.nav-item{position:relative;display:grid;grid-template-columns:27px minmax(0,1fr) 7px;gap:6px;align-items:start;padding:10px 8px;border-left:2px solid transparent;color:#a5b2b6;text-decoration:none}
.nav-item b{margin-top:2px;color:#718087;font:10px var(--mono)}
.nav-item span{min-width:0;font-size:12px}
.nav-item small{display:block;margin-top:3px;color:#7d8b90;font-size:9px;line-height:1.35}
.nav-item i{width:6px;height:6px;margin-top:5px;border-radius:50%;background:#4f5d62}
.nav-item:hover,.nav-item.active{background:var(--graphite-800);border-left-color:#79aa98;color:#f4f7f6}
.nav-item.active b{color:#91bbaa}
.nav-item.is-complete i{background:#79aa98}
.nav-item.has-error{border-left-color:#d17d75}
.nav-item.has-error i{background:#d17d75}
.nav-help{position:absolute;right:14px;bottom:17px;left:14px;margin:0;padding:11px 4px 0;border-top:1px solid #39464b;color:#829196;font-size:9px;line-height:1.55}
.workspace{min-width:0}
.upload-panel,.form-section,.quote-panel{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.upload-panel{display:grid;grid-template-columns:minmax(220px,1fr) minmax(240px,320px);gap:10px 18px;padding:16px 18px;margin-bottom:12px;align-items:center}
.upload-copy h2{margin:3px 0;font-size:16px}
.upload-copy p{margin:0;color:var(--muted);font-size:10px;line-height:1.5}
.dropzone{position:relative;min-height:64px;padding:10px;border:1px dashed #99b7ac;border-radius:3px;background:var(--surface-subtle);display:flex;align-items:center;justify-content:center;gap:8px;color:var(--green-dark);font-size:11px;cursor:pointer}
.dropzone:hover,.dropzone.active{border-color:var(--green);background:var(--green-soft)}
.dropzone>span{font:22px var(--mono)}
.dropzone input{position:absolute;width:1px;height:1px;opacity:0}
.gerber-status{grid-column:2;min-width:0;overflow-wrap:anywhere;color:var(--muted);font:9px var(--mono)}
.gerber-details{grid-column:1/-1;min-width:0;padding:10px;border-left:3px solid var(--green);background:var(--green-soft)}
.gerber-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}
.gerber-actions[hidden]{display:none}
.gerber-actions button,.detection-row button{min-height:32px;padding:6px 9px;border:1px solid var(--line);border-radius:3px;background:#fff;color:var(--green-dark);font-size:10px}
.detection-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:7px;align-items:center;padding:6px 0;border-bottom:1px solid #cbded6;font-size:10px}
.detection-row:last-child{border:0}
.detection-row small{grid-column:1/-1;color:var(--muted)}
#quote-form{display:grid;gap:12px}
.form-section{scroll-margin-top:78px;padding:17px 18px 19px}
.form-section>header{display:flex;align-items:flex-start;gap:10px;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.form-section>header>span{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border:1px solid #a8c2b8;border-radius:3px;color:var(--green-dark);font:700 10px var(--mono)}
.form-section h2{margin:0;font-size:15px}
.form-section header p{margin:2px 0 0;color:var(--muted);font-size:9px}
.field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.field{display:flex;min-width:0;flex-direction:column;gap:5px;color:var(--muted);font-size:10px}
.field>span{display:block;min-width:0}
.field small{margin-left:3px;color:var(--faint);font-size:9px}
.field input[type=number],.field select{display:block;width:100%;max-width:100%;min-width:0;height:38px;padding:7px 9px;border:1px solid #c7d1d4;border-radius:3px;background:var(--surface-subtle);color:var(--ink);font-size:12px}
.field input:focus,.field select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(54,122,102,.13);outline:0}
.field[hidden]{display:none}
.toggle-field{min-height:58px;padding:9px 10px;border:1px solid var(--line);border-radius:3px;background:var(--surface-subtle);flex-direction:row;align-items:center;justify-content:space-between;gap:10px}
.toggle-field>span small{display:block;margin:3px 0 0}
.toggle-field input{flex:0 0 17px;width:17px;height:17px;accent-color:var(--green)}
.field-error{padding:7px;border:1px solid #d58e88;border-radius:3px;background:var(--danger-soft)}
.field-error input,.field-error select{border-color:var(--danger)!important}
.segmented-group{min-width:0;margin:0;padding:0;border:0}
.segmented-group legend{padding:0;margin-bottom:6px;color:var(--muted);font-size:10px}
.segmented-options{display:flex;flex-wrap:wrap;gap:7px}
.segmented-option{position:relative;min-width:0}
.segmented-option input{position:absolute;width:1px;height:1px;opacity:0}
.segmented-option span{display:inline-flex;min-height:38px;align-items:center;justify-content:center;padding:8px 11px;border:1px solid var(--line);border-radius:3px;background:var(--surface-subtle);color:var(--ink);font-size:11px;line-height:1.25;white-space:normal}
.segmented-option input:checked+span{border-color:var(--green);background:var(--green-soft);color:var(--green-dark)}
.segmented-option input:checked+span::before{content:"✓";display:inline-grid;place-items:center;flex:0 0 14px;width:14px;height:14px;margin-right:5px;color:var(--green-dark);font-size:11px;font-weight:700;line-height:1}
.segmented-option input:focus-visible+span{outline:2px solid var(--green);outline-offset:2px}
.segmented-option input:disabled+span{opacity:.48;cursor:not-allowed}
.smt-fields{display:grid;gap:16px}
.smt-fields>[data-field="smtDetails"]{min-width:0}
.smt-fields>[data-field="smtDetails"][hidden]{display:none}
.quote-column{position:sticky;top:80px;min-width:0}
.quote-panel{max-height:calc(100vh - 100px);overflow:auto;padding:18px}
.quote-panel>header{display:flex;justify-content:space-between;align-items:center;gap:10px}
.quote-panel>header b{padding:3px 6px;border:1px solid #a8c2b8;border-radius:2px;color:var(--green-dark);font:9px var(--mono)}
.quote-panel h2{margin:5px 0 16px;font-size:17px}
.errors{padding:10px;margin-bottom:13px;border:1px solid #d58e88;border-left-width:3px;background:var(--danger-soft);color:var(--danger);font-size:10px}
.errors strong{display:block;margin-bottom:5px}
.errors ul{margin:0;padding-left:17px}
.errors button{padding:1px 0;border:0;background:none;color:inherit;text-align:left;font-size:10px}
.price{min-width:0}
.price small{display:block;color:var(--faint);font:9px var(--mono)}
.price span{color:var(--green);font:600 17px var(--mono)}
.price strong{font:700 36px var(--mono);overflow-wrap:anywhere}
.price-meta{display:flex;justify-content:space-between;gap:10px;margin-top:5px;color:var(--muted);font:10px var(--mono)}
.metrics{display:grid;grid-template-columns:1fr 1fr;margin:16px 0;border:1px solid var(--line)}
.metrics div{min-width:0;padding:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics div:nth-child(2n){border-right:0}
.metrics div:nth-last-child(-n+2){border-bottom:0}
.metrics dt{color:var(--faint);font-size:9px}
.metrics dd{margin:3px 0 0;overflow-wrap:anywhere;font:10px var(--mono)}
.result-group{padding:11px 0;border-top:1px solid var(--line)}
.result-group h3{margin:0 0 8px;color:var(--muted);font:700 9px var(--mono);letter-spacing:.6px}
.breakdown-list,.factor-list,.warning-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.breakdown-list li,.factor-list li{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:10px;font-size:10px}
.breakdown-list li span:first-child,.factor-list li span:first-child{min-width:0;overflow-wrap:anywhere}
.breakdown-list li span:last-child,.factor-list li span:last-child{white-space:nowrap;color:var(--green-dark);font-family:var(--mono)}
.breakdown-list small{display:block;margin-top:2px;color:var(--faint);font-size:8px;line-height:1.4}
.warning-list li{position:relative;padding-left:11px;color:var(--muted);font-size:9px;line-height:1.45;overflow-wrap:anywhere}
.warning-list li:before{content:"";position:absolute;left:0;top:5px;width:4px;height:4px;border-radius:50%;background:#839f95}
.quote-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}
.quote-actions button{min-width:0;min-height:36px;padding:8px;border:1px solid #b9c6c9;border-radius:3px;background:#fff;color:var(--ink);font-size:10px}
.quote-actions .primary-action{grid-column:1/-1;background:var(--green);border-color:var(--green);color:#fff}
.quote-actions .primary-action:hover{background:var(--green-dark)}
.disclaimer{margin:10px 0 0;color:var(--faint);font-size:8px;line-height:1.45}
.mobile-price-bar{display:none}
dialog{width:min(620px,calc(100% - 30px));padding:0;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 20px 50px rgba(0,0,0,.18)}
dialog::backdrop{background:rgba(14,20,23,.5)}
dialog>header,dialog>footer{display:flex;align-items:center;justify-content:space-between;padding:14px 17px;border-bottom:1px solid var(--line)}
dialog>footer{justify-content:flex-end;gap:8px;border-top:1px solid var(--line);border-bottom:0}
dialog h2{margin:0;font-size:15px}
dialog button{padding:7px 10px;border:1px solid var(--line);border-radius:3px;background:#fff}
.quote-list-items{min-height:120px;padding:15px}
.quote-list-item{display:flex;justify-content:space-between;gap:12px;padding:10px;border-bottom:1px solid var(--line);font-size:10px}
@media (max-width:1180px){
  .console-shell{grid-template-columns:180px minmax(420px,1fr) 300px;gap:14px;padding:15px}
  .field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .console-nav,.quote-column{top:75px}
  .console-nav{min-height:calc(100vh - 90px)}
  .quote-panel{max-height:calc(100vh - 90px)}
}
@media (max-width:960px){
  .topbar{height:56px;padding:0 15px}
  .topbar p{display:none}
  .console-shell{display:block;padding:0}
  .console-nav{position:sticky;top:56px;z-index:30;min-height:0;padding:8px 10px;border-radius:0;overflow-x:auto;scrollbar-width:thin}
  .console-nav>.nav-kicker,.console-nav>h1,.nav-help{display:none}
  .console-nav nav{display:flex;gap:5px;width:max-content}
  .nav-item{min-width:130px;padding:8px;grid-template-columns:21px minmax(0,1fr) 6px}
  .nav-item small{display:none}
  .workspace{padding:12px}
  .quote-column{position:static;padding:0 12px 12px}
  .quote-panel{max-height:none}
  .upload-panel{grid-template-columns:1fr}
  .gerber-status{grid-column:1}
}
@media (max-width:560px){
  body{padding-bottom:88px}
  .product small{display:none}
  .workspace{padding:9px}
  .upload-panel,.form-section{padding:14px}
  .field-grid{grid-template-columns:1fr}
  .segmented-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .segmented-option,.segmented-option span{width:100%}
  .segmented-option span{padding:8px}
  .quote-column{padding:0 9px 9px}
  .price strong{font-size:33px}
  .mobile-price-bar{position:fixed;right:0;bottom:0;left:0;z-index:50;height:62px;padding:8px 14px;background:var(--graphite-950);color:#dce7e3;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #46565b;box-shadow:0 -4px 14px rgba(0,0,0,.16)}
  .mobile-price-bar span{font-size:9px}
  .mobile-price-bar strong{display:block;margin-top:1px;color:#fff;font:600 18px var(--mono)}
  .mobile-price-bar button{min-height:36px;padding:8px 11px;border:1px solid #739287;border-radius:3px;background:transparent;color:#e2ebe8;font-size:10px}
  #section-smt{margin-bottom:72px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}