body.os-product-preview-open { overflow: hidden; }
.os-product-preview { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: transparent; color: #0f172a; overflow: hidden; }
.os-product-preview[open] { display: block; }
.os-product-preview:not([open]) { display: none; }
.os-product-preview::backdrop { background: rgba(15,23,42,.48); backdrop-filter: blur(2px); }
.os-product-preview__panel { position: absolute; bottom: 0; left: 50%; display: flex; flex-direction: column; width: 100%; max-width: 960px; max-height: 92vh; max-height: 92dvh; min-height: 240px; background: #f7f9fc; border-radius: 20px 20px 0 0; box-shadow: 0 -12px 48px #0f172a26; transform: translate(-50%, 105%); transition: transform .25s ease; overflow: hidden; }
.os-product-preview.is-open .os-product-preview__panel { transform: translate(-50%, 0); }
.os-product-preview__header { display: flex; flex-shrink: 0; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; border-bottom: 1px solid #e2e8f0; background: white; }
.os-product-preview__header h2 { margin: 0; font-size: 16px; font-weight: 800; }
.os-product-preview__header button { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: #f8fafc; }
.os-product-preview__header svg { width: 20px; height: 20px; }
.os-product-preview__body { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 16px 0 calc(100px + env(safe-area-inset-bottom)); }
.os-product-preview .os-buybar { position: absolute; bottom: 0; left: 0; right: 0; }
.os-product-preview .os-buybar-inner { max-width: 960px; }
.os-product-preview #mainImage { max-height: 400px; object-fit: contain; }
.os-product-preview .os-product [aria-pressed=true][data-wishlist] { color: #ef4444; }
.os-product-preview .os-product [aria-pressed=true][data-wishlist] svg { fill: currentColor; }
.os-product-preview__status { padding: 32px 20px; text-align: center; color: #64748b; font-size: 14px; }
.os-product-preview__status button, .os-product-preview__status a { display: inline-block; margin: 12px 6px 0; padding: 12px 16px; border-radius: 8px; background: #fff7ed; color: #ea580c; font-weight: 700; }
.os-product-preview button:focus-visible, .os-product-preview a:focus-visible { outline: 2px solid #f97316; outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { .os-product-preview__panel { transition: none; } }