/* Product page: gallery, info, options (color / size / quantity) */
.back{display:inline-block;margin:22px 0 14px;color:var(--muted);font-size:14px}
.product{display:grid;gap:28px;padding-bottom:56px}
@media (min-width:860px){.product{grid-template-columns:1fr 1fr;gap:44px;align-items:start}.gallery{position:sticky;top:84px}}
.gallery .main{aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#ece9e1,#d9d5ca);display:grid;place-items:center}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.gallery .main .ini{font-size:90px;font-weight:700;color:rgba(0,0,0,.25)}
.thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto}
.thumbs button{flex:0 0 64px;height:64px;border-radius:10px;overflow:hidden;border:2px solid transparent;padding:0;background:var(--line);cursor:pointer}
.thumbs button[aria-pressed="true"]{border-color:var(--ink)}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.info h1{margin:0 0 6px;font-size:clamp(24px,3.4vw,32px);letter-spacing:-.02em;line-height:1.2}
.price.big{font-size:22px;margin-bottom:12px}
.desc{color:var(--muted);margin:0 0 20px;white-space:pre-line}
.soldout{position:static;display:inline-block}
.opt{margin:18px 0}
.opt .lbl{display:flex;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-width:46px;padding:9px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;font-weight:500}
.chip[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:var(--bg)}
.chip:disabled{opacity:.4;text-decoration:line-through;cursor:not-allowed}
.qtyrow{display:flex;align-items:center}
.stepper{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:10px;background:var(--surface)}
.stepper button{width:40px;height:40px;border:0;background:transparent;font-size:20px;cursor:pointer}
.stepper span{min-width:34px;text-align:center;font-weight:600}
.hint{font-size:13px;color:var(--err);margin-inline-start:12px}