:root{--primary: #25d366;--primary-hover: #128c7e;--bg: #f8fafc;--card: #ffffff;--text: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--glass: rgba(255, 255, 255, .7);--shadow: 0 4px 6px -1px rgb(0 0 0 / .05), 0 2px 4px -2px rgb(0 0 0 / .05);--shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--radius-xl: 1.5rem;--radius-lg: 1rem}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:600px;margin:0 auto;padding:1rem 1rem 9rem;min-height:100vh}header{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;position:sticky;top:0;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:40;margin:0 -1rem;padding:1rem;border-bottom:1px solid rgba(255,255,255,.3)}.store-logo-container{display:flex;align-items:center}.store-logo{height:60px;width:auto;max-width:250px;object-fit:contain}.cart-icon-btn{position:relative;background:#fff;border:1px solid var(--border);padding:.75rem;border-radius:var(--radius-lg);box-shadow:var(--shadow);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}.cart-icon-btn:active{transform:scale(.92);background:#f1f5f9}.search-container{margin:1.5rem 0;position:relative}.search-input{width:100%;padding:1rem 1rem 1rem 3rem;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius-lg);font-size:1rem;outline:none;transition:all .3s ease;box-shadow:var(--shadow)}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px #25d36626}.category-scroll{display:flex;overflow-x:auto;gap:.75rem;margin-bottom:2rem;padding:.25rem 0;scrollbar-width:none}.category-scroll::-webkit-scrollbar{display:none}.category-chip{padding:.625rem 1.25rem;background:#fff;border:1px solid var(--border);border-radius:2rem;font-size:.875rem;font-weight:700;color:var(--text-muted);white-space:nowrap;cursor:pointer;box-shadow:var(--shadow);transition:all .2s}.category-chip.active{background:var(--text);color:#fff;border-color:var(--text);transform:translateY(-1px);box-shadow:0 4px 12px #0f172a33}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.product-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow)}.product-card:active{transform:scale(.98)}.product-image-container{position:relative;width:100%;aspect-ratio:1;background:#f1f5f9;overflow:hidden}.product-image{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.product-card:hover .product-image{transform:scale(1.05)}.product-info{padding:.875rem;display:flex;flex-direction:column;flex-grow:1}.product-title{font-size:.9375rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.5rem}.product-price{font-size:1.125rem;font-weight:800;color:var(--text);margin-bottom:.75rem}.add-btn{width:100%;background:#f8fafc;color:var(--text);border:1.5px solid var(--border);padding:.75rem;border-radius:.75rem;font-weight:800;font-size:.875rem;display:flex;align-items:center;justify-content:center;gap:.5rem;cursor:pointer;transition:all .2s;margin-top:auto}.add-btn:active{background:var(--primary);color:#fff;border-color:var(--primary)}.cart-fab{position:fixed;bottom:2rem;left:1rem;right:1rem;background:var(--text);color:#fff;padding:1.25rem 1.5rem;border-radius:var(--radius-xl);display:flex;justify-content:space-between;align-items:center;box-shadow:0 25px 50px -12px #0006;cursor:pointer;border:none;z-index:50;transition:all .3s cubic-bezier(.34,1.56,.64,1)}.cart-fab:active{transform:scale(.95)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a99;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:100;display:flex;align-items:flex-end;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{width:100%;background:#fff;border-radius:2.5rem 2.5rem 0 0;padding:2rem 1.25rem;max-height:92vh;overflow-y:auto;box-shadow:0 -20px 40px #0000001a;animation:slideUp .4s cubic-bezier(.34,1.56,.64,1)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.modal-title{font-size:1.5rem;font-weight:900;letter-spacing:-.5px}.close-btn{background:#f1f5f9;border:none;padding:.625rem;border-radius:50%;cursor:pointer;transition:all .2s}.close-btn:active{background:#e2e8f0;transform:rotate(90deg)}.cart-items-list{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2.5rem}.cart-item{display:flex;align-items:center;gap:1rem}.cart-item-img{width:5rem;height:5rem;border-radius:1rem;object-fit:cover;background:#f8fafc;box-shadow:var(--shadow)}.cart-item-details{flex-grow:1}.cart-item-name{font-weight:800;font-size:1rem;color:var(--text);margin-bottom:.25rem}.cart-item-price{color:var(--text-muted);font-size:.875rem;font-weight:600}.qty-control{display:flex;align-items:center;gap:1rem;background:#f1f5f9;padding:.5rem;border-radius:1rem}.qty-btn{background:#fff;border:none;width:2rem;height:2rem;border-radius:.75rem;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text);box-shadow:var(--shadow);transition:all .15s}.qty-btn:active{transform:scale(.9);background:#f8fafc}.checkout-footer{margin-top:1rem;background:#f8fafc;padding:1.5rem;border-radius:1.5rem;border:1px solid var(--border)}.total-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.total-label{font-size:1.125rem;font-weight:700;color:var(--text-muted)}.total-value{font-size:2rem;font-weight:900;color:var(--text)}.whatsapp-btn{width:100%;background:#25d366;color:#fff;border:none;padding:1.25rem;border-radius:1.25rem;font-size:1.125rem;font-weight:900;display:flex;align-items:center;justify-content:center;gap:.75rem;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 20px #25d36633}.whatsapp-btn:active{transform:scale(.97);background:#128c7e}.product-detail-modal{padding:0;overflow:hidden;display:flex;flex-direction:column}.detail-close-btn{position:absolute;top:1.25rem;right:1.25rem;z-index:10;background:#fff;border:none;width:2.5rem;height:2.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000026;cursor:pointer}.detail-image-container{width:100%;aspect-ratio:1.2;background:#f1f5f9}.detail-image{width:100%;height:100%;object-fit:cover}.detail-info{padding:2rem 1.5rem;display:flex;flex-direction:column;gap:1.25rem}.detail-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.detail-title{font-size:1.75rem;font-weight:900;line-height:1.1;letter-spacing:-.5px}.detail-price{font-size:1.5rem;font-weight:800;color:var(--primary-hover);background:#f0fdf4;padding:.5rem 1rem;border-radius:1rem;white-space:nowrap}.detail-description{font-size:1rem;color:var(--text-muted);line-height:1.6}.detail-actions{margin-top:1.5rem}.detail-add-btn{width:100%;background:var(--text);color:#fff;border:none;padding:1.25rem;border-radius:1.25rem;font-size:1.125rem;font-weight:800;cursor:pointer;transition:all .2s;box-shadow:0 10px 20px #0f172a33}.detail-add-btn:active{transform:scale(.97);opacity:.9}.skeleton{background:linear-gradient(90deg,#f1f5f9 25%,#f8fafc,#f1f5f9 75%);background-size:200% 100%;animation:shimmer 1.5s infinite linear}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{height:260px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--border)}.skeleton-image{height:160px;background:#f1f5f9}.skeleton-line{height:12px;background:#f1f5f9;margin:10px;border-radius:4px}.skeleton-line.short{width:60%}