[hidden]{display:none!important}
*{box-sizing:border-box}
:root{--ink:#171a20;--mute:#5c5e62;--line:#d0d1d2;--soft:#f4f4f4;--sel:#3e6ae1}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
button,input{font:inherit;color:inherit}
.top{position:fixed;top:0;left:0;right:0;z-index:20;height:52px;display:flex;align-items:center;padding:0 20px;pointer-events:none}
.brand{pointer-events:auto;font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;color:var(--ink);text-decoration:none}
.view{position:sticky;top:0;z-index:7;height:55vh;height:55svh;background:var(--soft)}
#viewer{display:block;width:100%;height:100%;touch-action:none}
.photo{position:absolute;inset:0;overflow:hidden;background:#c9c1b6;transition:opacity .35s ease,visibility 0s linear 0s;cursor:pointer}
.photo img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 50%}
.photo img.ph-in{position:absolute;inset:0;opacity:0;transition:opacity .3s ease}
.photo img.ph-in.on{opacity:1}
.view.is3d .photo{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .35s ease,visibility 0s linear .35s}
.acts{position:absolute;left:0;right:0;bottom:10px;display:flex;gap:6px;justify-content:center;flex-wrap:nowrap;overflow-x:auto;padding:0 10px;scrollbar-width:none}
.acts::-webkit-scrollbar{display:none}
.acts{justify-content:flex-start;gap:5px}.acts button:first-child{margin-left:auto}.acts button:last-child{margin-right:auto}
.acts button{flex:0 0 auto;border:0;background:rgba(255,255,255,.85);border-radius:999px;padding:8px 13px;font-size:.82rem;min-height:36px;cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.acts button[aria-pressed=true]{background:var(--ink);color:#fff}
.panel{position:relative;z-index:6;background:#fff;padding:26px 22px 120px;max-width:560px;margin:0 auto}
.head{text-align:center}
h1{font-size:2rem;font-weight:500;margin:0 0 4px;letter-spacing:-.01em}
.sub{margin:0;color:var(--mute)}
.eta{margin:4px 0 0;font-size:.88rem;color:var(--mute)}
.feats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:14px 0 4px}
.feats button{border:0;background:none;padding:6px 0;font-size:.88rem;color:var(--ink);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
fieldset{border:0;margin:30px 0 0;padding:0}
legend{font-size:1.3rem;font-weight:500;margin:0 0 12px;padding:0;width:100%;text-align:center}
.swatches{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.sw{width:38px;height:38px;border-radius:50%;border:0;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15);outline-offset:3px}
.sw[aria-checked=true]{outline:2px solid var(--sel)}
.swname{display:flex;justify-content:center;gap:10px;margin:10px 0 0;font-size:.95rem}
.swname span:last-child{color:var(--mute)}
.row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:6px;padding:14px 16px;margin:0 0 10px;cursor:pointer;min-height:56px}
.row input{position:absolute;opacity:0;pointer-events:none}
.row span{flex:1;font-size:.98rem}
.row small{display:block;color:var(--mute);font-size:.82rem;margin-top:2px}
.row em{font-style:normal;font-size:.92rem;color:var(--mute);white-space:nowrap}
.row:has(input:checked){border-color:var(--sel);box-shadow:inset 0 0 0 1px var(--sel)}
.row:has(input:focus-visible){outline:2px solid var(--sel);outline-offset:2px}
.note{margin:6px 0 0;font-size:.85rem;color:var(--mute);text-align:center}
.foot{margin-top:40px;padding-top:18px;border-top:1px solid #eee;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem;color:var(--mute)}
.foot a{color:var(--ink)}
.bar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border-top:1px solid #e6e6e6;padding:10px 18px calc(10px + env(safe-area-inset-bottom))}
.bar strong{display:block;font-size:1.2rem;font-weight:600}
.bar small{display:block;font-size:.75rem;color:var(--mute)}
.btn{border:0;border-radius:6px;background:var(--sel);color:#fff;font-weight:500;padding:0 30px;min-height:44px;cursor:pointer}
.btn.wide{width:100%;min-height:48px}
.sheet{border:0;padding:24px 22px calc(22px + env(safe-area-inset-bottom));width:100%;max-width:460px;border-radius:14px 14px 0 0;margin:auto auto 0;max-height:92vh;overflow:auto}
.sheet::backdrop{background:rgba(0,0,0,.4)}
.sheet h2{margin:0 0 6px;font-size:1.4rem;font-weight:500}
.x{float:right;border:0;background:none;font-size:1.8rem;line-height:1;color:var(--mute);cursor:pointer;padding:0 0 0 10px}
.sheet label{display:block;font-size:.85rem;color:var(--mute);margin:12px 0 0}
.sheet input{display:block;width:100%;margin-top:4px;border:1px solid var(--line);border-radius:6px;padding:12px;font-size:16px;color:var(--ink);background:#fff}
.sheet .half{max-width:120px}
.sum{font-size:.88rem;color:var(--mute);margin:0 0 4px}
.grand{display:flex;justify-content:space-between;margin:18px 0 10px;font-size:1rem}
.fine{font-size:.8rem;color:var(--mute);margin:8px 0 0;text-align:center}
.form-msg{font-size:.9rem;margin:10px 0 0;text-align:center}
.form-msg.err{color:#b3261e}.form-msg.ok{color:#1d6b35}
.pop video{display:block;width:100%;aspect-ratio:4/3;background:var(--soft);border-radius:8px;margin:0 0 14px}
.pop p{margin:0;color:var(--mute)}
@media(min-width:900px){
  .top{height:60px;padding:0 32px}
  .cfg{display:grid;grid-template-columns:1fr 400px;min-height:100vh}
  .view{height:100vh}
  .panel{max-width:none;height:100vh;overflow-y:auto;padding:84px 36px 110px}
  .bar{left:auto;width:400px;right:0;border-left:1px solid #eee}
  .sheet{margin:auto;border-radius:14px}
}

/* bun feet (tabletop only) */
.row:has(input:disabled){opacity:.45;cursor:not-allowed}

/* photo-first viewer: chip row fits a phone */
@media(max-width:420px){.acts{gap:4px;padding:0 8px}.acts button{padding:8px 10px}}