:root{--sky:#0ea5e9;--sky2:#e0f2fe;--sky3:#f0f9ff;--ink:#0b1220;--g6:#475569;--g5:#64748b;--line:#e2e8f0;--ok:#059669;--okt:#ecfdf5;--warn:#b45309;--warnt:#fffbeb;--brand:var(--sky)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;overflow-x:hidden}
body{margin:0;overflow-x:hidden;background:#fff;color:var(--ink);font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}.wrap{max-width:960px;margin:0 auto;padding:0 16px;overflow-x:clip}
.hdr{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;padding-top:max(12px,env(safe-area-inset-top));background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:8px;font-size:18px}.dot{width:14px;height:14px;border-radius:50%;background:var(--brand);flex:none}
.hdr nav a{color:var(--g6);font-size:15px;font-weight:500}
h1{font-size:32px;line-height:1.15;letter-spacing:-.02em;margin:28px 0 10px}h2{font-size:20px;margin:24px 0 10px;letter-spacing:-.01em}
.lede{font-size:17px;color:var(--g6);margin:0 0 8px}.muted{color:var(--g5)}.small{font-size:14px}.hint{font-size:13px;color:var(--g5);margin:6px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:12px;border:1px solid transparent;font:600 16px inherit;font-family:inherit;cursor:pointer;background:var(--brand);color:#fff;width:100%}
.btn.sec{background:#fff;color:var(--ink);border-color:var(--line)}.btn:disabled{opacity:.5}
.row{display:flex;gap:10px;flex-wrap:wrap}.row>.btn{flex:1 1 140px}
label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
input,textarea,select{width:100%;font:16px inherit;font-family:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
textarea{min-height:90px;resize:vertical}input[type=range]{padding:0;accent-color:var(--sky);height:32px}
input:focus,textarea:focus{outline:2px solid var(--sky);border-color:var(--sky)}
.card{border:1px solid var(--line);border-radius:16px;padding:16px;margin:12px 0;background:#fff}
.hero{background:var(--sky3);border:1px solid var(--sky2);border-radius:20px;padding:22px;margin-top:20px}
.steps{list-style:none;padding:0;margin:16px 0;display:grid;gap:10px}.steps li{display:flex;gap:12px;align-items:flex-start}.steps b{flex:none;width:28px;height:28px;border-radius:50%;background:var(--sky2);color:#0369a1;display:grid;place-items:center;font-size:14px}
.models{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mcard{text-align:left;border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff;cursor:pointer;font:inherit;display:flex;flex-direction:column;gap:4px;min-height:108px}
.mcard b{font-size:15px}.mcard span{font-size:13px;color:var(--g5)}.mcard em{font-style:normal;font-size:12px;color:#0369a1;margin-top:auto}
.mcard.on{border-color:var(--sky);background:var(--sky3);box-shadow:0 0 0 1px var(--sky)}
.studio{display:grid;gap:12px;margin:8px 0 20px;max-width:100%}
.view{position:relative;max-width:100%;border:1px solid var(--sky2);border-radius:16px;overflow:hidden;background:var(--sky3);height:min(52vh,420px);min-height:280px;touch-action:none}
.view canvas{display:block;width:100%;height:100%}
.viewmeta{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.9);border-radius:999px;padding:6px 12px;font-size:12px;color:var(--g6);font-weight:600}
.seg{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden;position:relative}
.seg label{flex:1;margin:0;cursor:pointer;position:relative}
.seg input{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;padding:0;cursor:pointer;appearance:none;-webkit-appearance:none}
.seg span{display:block;text-align:center;padding:12px 8px;font-weight:500;font-size:14px}
.seg label:has(input:checked) span{background:var(--sky);color:#fff}
.pill{font-size:12px;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--warnt);color:var(--warn);white-space:nowrap}
.price{font-size:16px;margin:10px 0 4px}.order{scroll-margin-top:72px}
.okn{background:var(--okt);border:1px solid #a7f3d0;color:#064e3b;border-radius:12px;padding:12px 14px;font-size:14px;margin:12px 0}
.err{color:#b91c1c;font-size:14px;min-height:20px;margin:8px 0}
.ftr{color:var(--g5);font-size:13px;margin-top:48px;padding-top:20px;padding-bottom:max(28px,env(safe-area-inset-bottom));border-top:1px solid var(--line)}
@media (min-width:820px){
  .models{grid-template-columns:repeat(5,1fr)}
  .studio{grid-template-columns:1.2fr .9fr;align-items:start}
  .view{height:480px}
  h1{font-size:36px}
}
@media (max-width:420px){
  .models{grid-template-columns:1fr}
  h1{font-size:28px}
  .row>.btn{flex:1 1 100%}
}

.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;z-index:100}
.skip:focus{left:12px;top:12px;width:auto;height:auto;padding:10px 14px;background:#fff;border:2px solid var(--sky);border-radius:10px;font-weight:600}
.warnbox{background:var(--warnt);border:1px solid #fcd34d;color:#92400e;border-radius:12px;padding:12px 14px;font-size:13px;margin:14px 0 0;line-height:1.45}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:420px){.grid2{grid-template-columns:1fr}}
.adminlist{display:grid;gap:10px;margin:12px 0 24px}
select{appearance:auto}
#app:focus{outline:none}
main:focus{outline:none}