/* Shopping experience additions — progressive, no cart replacement. Static by design. */
.premium-buybar{position:fixed;bottom:0;left:0;right:0;z-index:9990;background:rgba(255,255,255,.97);border-top:1px solid #ddd;box-shadow:0 -6px 28px #00000012;padding:10px max(16px,calc((100vw - 1120px)/2));display:none;gap:16px;align-items:center;justify-content:space-between;color:#171717}.premium-buybar.is-visible{display:flex}.premium-buybar-title{font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.premium-buybar-price{font-size:13px;color:#555}.premium-buybar-action{border:0;border-radius:99px;background:#171717;color:white;padding:11px 22px;font-weight:600;cursor:pointer;flex-shrink:0}.premium-buybar-action:focus-visible,.premium-thumb:focus-visible{outline:3px solid var(--ac-red,#bd1e24);outline-offset:3px}
.premium-thumbnails{display:flex;gap:8px;overflow-x:auto;padding:12px 2px;scrollbar-width:thin}.premium-thumb{padding:3px;border:2px solid transparent;border-radius:9px;background:transparent;cursor:pointer;flex:0 0 64px}.premium-thumb[aria-pressed=true]{border-color:#222}.premium-thumb img{display:block;width:58px;height:58px;object-fit:contain;border-radius:6px}
.premium-compare-hide{display:inline-flex;gap:7px;align-items:center;margin:12px 0;font-size:14px}.premium-compare-table.premium-differences-only tr.premium-identical{display:none}
@media(max-width:600px){.premium-buybar{gap:8px}.premium-buybar-title{font-size:13px}.premium-buybar-action{padding:10px 15px;font-size:13px}}