.intro{padding:22px clamp(16px,4vw,40px) 18px;max-width:960px}
.intro .eyebrow{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.intro h1{margin:6px 0 6px;font-size:clamp(26px,4vw,42px);line-height:1.1;font-weight:800;letter-spacing:-.02em}
.intro h1 mark{background:linear-gradient(transparent 62%,var(--brand-yellow) 62%);color:inherit;padding:0 2px}
.intro p{margin:0;color:var(--muted);max-width:62ch}
main{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:20px;padding:0 clamp(16px,4vw,40px) 40px;align-items:start}
@media (max-width:920px){main{grid-template-columns:1fr}}

/* stage */
.stage{position:sticky;top:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media (max-width:920px){.stage{position:static}}
.table{position:relative;background-color:var(--surface);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;padding:14px}
.viewtoggle{position:absolute;top:12px;left:12px;display:flex;background:var(--raised);border:1px solid var(--line);border-radius:999px;padding:3px;z-index:2}
.viewtoggle button{border:0;background:transparent;padding:6px 14px;border-radius:999px;cursor:pointer;font-size:14px}
.viewtoggle button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.viewtoggle button .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-left:6px;vertical-align:middle}
.editing-badge{position:absolute;top:12px;right:12px;z-index:2;background:var(--warn-bg);color:var(--warn);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:700}
#svgwrap{width:100%;max-width:540px;margin:0 auto;aspect-ratio:400/470;touch-action:none}
#svgwrap svg{width:100%;height:100%;display:block}
.sizecm{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:8px;font-size:13.5px}
.sizecm label{color:var(--muted)}
.sizecm input{width:84px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--raised);color:var(--ink)}
.sizecm small{flex-basis:100%;color:var(--muted);font-size:12.5px}
.freetoggle{display:flex;gap:10px;align-items:flex-start;margin-top:10px;padding:10px 12px;border:1px dashed var(--line);border-radius:10px;cursor:pointer;font-size:14px}
.freetoggle input{margin-top:3px;width:18px;height:18px;accent-color:var(--accent);flex:none}
.freetoggle small{display:block;color:var(--muted);font-size:12.5px;margin-top:2px}
#view3d{width:100%;max-width:540px;margin:0 auto;aspect-ratio:400/470;position:relative;cursor:grab}
#view3d:active{cursor:grabbing}
#view3d canvas{touch-action:pan-y}
.stagebar{display:flex;flex-wrap:wrap;gap:6px 18px;padding:12px 16px;border-top:1px solid var(--line);font-size:14px;background:var(--raised)}
.stagebar b{font-weight:650}
.hint{font-size:13px;color:var(--muted);text-align:center;padding:0 0 8px;margin:0}

/* steps */
.panel{display:flex;flex-direction:column;gap:12px;min-width:0}
section.step{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
section.step h2{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:17px;font-weight:700}
section.step h2 .aside{margin-left:auto;font-size:13px;font-weight:500;color:var(--muted)}
.num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--brand-yellow);color:var(--brand-yellow-ink);font-size:13px;font-weight:800;flex:none}
.sub{font-size:13.5px;color:var(--muted);margin:-4px 0 12px}
.choices{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}
.choice{border:1px solid var(--line);background:var(--raised);border-radius:10px;padding:10px;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:2px;min-width:0}
.choice b{font-weight:650}
.choice small{color:var(--muted);font-size:12.5px}
.choice[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.choice:disabled{opacity:.45;cursor:not-allowed}
.choice .price-from{font-size:12.5px;color:var(--ink);font-weight:600}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.sw{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);cursor:pointer;position:relative}
.sw[aria-pressed="true"]::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid var(--accent)}
.colorname{margin-top:8px;font-size:14px;color:var(--muted)}

/* logos */
.drop{border:1.5px dashed var(--line);border-radius:10px;padding:16px;text-align:center;background:var(--raised)}
.drop.over{border-color:var(--accent);background:var(--info-bg)}
.drop p{margin:0 0 10px;color:var(--muted);font-size:14px}
.btnrow{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.logolib{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.logocard{border:1px solid var(--line);border-radius:10px;background:var(--raised);padding:10px}
.logocard .row{display:flex;gap:12px;align-items:center}
.logothumb{width:64px;height:48px;flex:none;border-radius:6px;border:1px solid var(--line);background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,transparent 25%,transparent 75%,#eee 75%),linear-gradient(45deg,#eee 25%,transparent 25%,transparent 75%,#eee 75%);background-size:10px 10px;background-position:0 0,5px 5px;display:grid;place-items:center;overflow:hidden}
.logothumb img{max-width:100%;max-height:100%}
.logocard .meta{flex:1;min-width:0;font-size:13.5px}
.logocard .meta b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logocard .meta .acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:2px}
.logocard .checks{margin-top:8px}

/* decorations */
.decos{display:flex;flex-direction:column;gap:8px}
.deco{border:1px solid var(--line);border-radius:10px;background:var(--raised)}
.deco[data-active="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.deco-head{display:flex;align-items:center;gap:10px;width:100%;border:0;background:none;padding:10px 12px;cursor:pointer;text-align:left}
.deco-head .badge{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:6px;background:var(--info-bg);color:var(--accent);font-size:12px;font-weight:800;flex:none}
.deco-head .t{flex:1;min-width:0}
.deco-head .t b{font-weight:650}
.deco-head .t small{display:block;color:var(--muted);font-size:12.5px}
.deco-head .chev{color:var(--muted);font-size:13px}
.deco-body{padding:0 12px 12px;display:flex;flex-direction:column;gap:12px}
.fldlabel{font-size:13px;font-weight:650;color:var(--muted);margin:0 0 6px;text-transform:uppercase;letter-spacing:.04em}
.logopick{display:flex;flex-wrap:wrap;gap:8px}
.logopick button{border:1px solid var(--line);border-radius:8px;background:#fff;padding:4px;width:64px;height:48px;cursor:pointer;display:grid;place-items:center}
.logopick button[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.logopick img{max-width:100%;max-height:100%}
input[type=range]{width:100%;accent-color:var(--accent)}
.rangehead{display:flex;justify-content:space-between;font-size:14px;font-weight:600}
.rangehead output{color:var(--accent)}
.addrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}

/* quantities & price */
.sizes{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
@media (max-width:480px){.sizes{grid-template-columns:repeat(4,minmax(0,1fr))}}
.sizes label{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:13px;font-weight:600}
.sizes input{width:100%;text-align:center;padding:7px 2px;border:1px solid var(--line);border-radius:7px;background:var(--raised)}
.sizes small{color:var(--muted);font-weight:500;font-size:11px;min-height:1em}
.price{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.price .headline{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.price .total{font-size:26px;font-weight:800;letter-spacing:-.01em}
.price small{color:var(--muted);display:block;font-size:12.5px}
.breakdown{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
.breakdown td{padding:3px 0;color:var(--muted)}
.breakdown td:last-child{text-align:right;color:var(--ink);white-space:nowrap}
.nexttier{margin-top:8px;font-size:13.5px;background:var(--brand-yellow);color:var(--brand-yellow-ink);font-weight:600;border-radius:8px;padding:7px 10px}
.itemactions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.itemactions .btn.primary{flex:1;min-width:200px;padding:12px}

/* cart */
.cart{display:flex;flex-direction:column;gap:8px}
.cartitem{display:grid;grid-template-columns:76px 1fr auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:10px;background:var(--raised);padding:8px 12px 8px 8px}
.cartitem[data-editing="true"]{border-color:var(--warn);box-shadow:inset 0 0 0 1px var(--warn)}
.cartitem .thumb{width:76px;aspect-ratio:400/470;background:var(--surface);border-radius:8px;overflow:hidden}
.cartitem .thumb svg{width:100%;height:100%;display:block}
.cartitem .info{font-size:13.5px;min-width:0}
.cartitem .info b{font-size:15px}
.cartitem .info .m{color:var(--muted)}
.cartitem .acts{display:flex;gap:10px;margin-top:4px;flex-wrap:wrap}
.cartitem .amt{text-align:right;font-weight:700;white-space:nowrap}
.cartitem .amt small{display:block;font-weight:500;color:var(--muted);font-size:12px}
@media (max-width:480px){.cartitem{grid-template-columns:60px 1fr}.cartitem .thumb{width:60px}.cartitem .amt{grid-column:2;text-align:left}}
.empty{color:var(--muted);font-size:14px;padding:12px;border:1px dashed var(--line);border-radius:10px;text-align:center}
.carttotal{display:flex;justify-content:space-between;align-items:baseline;margin-top:12px;border-top:1px dashed var(--line);padding-top:12px;gap:10px;flex-wrap:wrap}
.carttotal .total{font-size:26px;font-weight:800;letter-spacing:-.01em}
.carttotal small{color:var(--muted);font-size:12.5px;display:block}

/* form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form .full{grid-column:1/-1}
@media (max-width:480px){.form{grid-template-columns:1fr}}
label.fld{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:600}
label.fld .req{color:var(--danger)}
.form input,.form textarea{padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--raised);font-weight:400;min-width:0}
.form textarea{min-height:70px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);font-weight:400}
.consent input{margin-top:3px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.err{color:var(--warn);font-size:14px;min-height:1.2em;margin:8px 0}
.sendsummary{font-size:13.5px;color:var(--muted);margin:10px 0 8px}

/* done dialog */
.done-id{font-weight:700;font-size:13px;color:var(--accent);margin-bottom:6px;letter-spacing:.03em}
.done-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:12px 0}
.done-items figure{margin:0;background:var(--raised);border:1px solid var(--line);border-radius:10px;padding:6px;font-size:12.5px;text-align:center}
.done-items img{width:100%;display:block;border-radius:6px}
.steps-next{margin:12px 0 0;padding-left:20px;font-size:14px}
.steps-next li{margin:4px 0}
.dlg .actions{margin-top:18px;display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
footer.site{background:var(--brand-blue);color:#DCE9F5;font-size:13.5px;margin-top:10px}
footer.site .in{padding:22px clamp(16px,4vw,40px);display:flex;justify-content:space-between;gap:14px 30px;flex-wrap:wrap}
footer.site b{color:#fff}
footer.site a{color:#fff}
footer.site .demo{width:100%;color:#A9C6E3;font-size:12.5px;border-top:1px solid rgba(255,255,255,.15);padding-top:12px}

/* product photos on the product picker */
.gchoice{align-items:stretch}
.gchoice .gthumb{width:100%;aspect-ratio:1;object-fit:contain;background:#fff;border-radius:6px;margin-bottom:6px}
.colorname b{color:var(--ink)}
.viewnote{max-width:46ch;margin:0 auto;padding:0 12px 10px}

/* mobile: sticky summary bar keeps preview + price reachable while scrolling the steps */
.mobilebar{display:none}
@media (max-width:920px){
  .mobilebar{display:flex;align-items:center;gap:10px;position:sticky;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(0,0,0,.08);padding:8px 16px calc(8px + env(safe-area-inset-bottom,0px))}
  .mb-thumb{width:46px;height:54px;flex:none;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0;overflow:hidden;cursor:pointer}
  .mb-thumb svg{width:100%;height:100%;display:block}
  .mb-info{flex:1;min-width:0;line-height:1.2}
  .mb-info b{display:block;font-size:17px}
  .mb-info small{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
  .mobilebar .btn{min-height:42px}
  #svgwrap,#view3d{max-width:420px}
  .itemactions .btn.primary{min-width:0}
}
@media (max-width:560px){
  main{gap:14px}
  .intro{padding-top:16px}
  .intro p{font-size:14px}
  section.step{padding:14px}
  .choices{grid-template-columns:repeat(2,minmax(0,1fr))}
  .choice{padding:10px 10px;min-height:48px}
  .sw{width:42px;height:42px}
  .form input,.form textarea,.sizes input,select{font-size:16px}
  .sizes input{padding:10px 2px}
  .viewtoggle button{padding:8px 16px}
  .btn{min-height:42px}
  .linkbtn{padding:6px 0}
  .cartitem .acts{gap:16px}
  .dlg{padding:18px}
  dialog{width:calc(100vw - 16px);max-height:calc(100vh - 16px)}
  .done-items{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dlg .actions .btn{flex:1}
  footer.site .in{flex-direction:column}
}