:root{--primary: #25d366;--primary-hover: #128c7e;--bg: #fdfdfd;--card: #ffffff;--text: #0f172a;--text-muted: #64748b;--border: #f1f5f9;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}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:1.25rem 1.25rem 8rem}header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 0;position:sticky;top:0;background:#fffc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:40}.store-logo-container{display:flex;align-items:center}.store-logo{height:48px;width:auto;max-width:180px;object-fit:contain}.cart-icon-btn{position:relative;background:#fff;border:1px solid var(--border);padding:.625rem;border-radius:.75rem;box-shadow:var(--shadow);cursor:pointer;transition:all .2s}.cart-icon-btn:active{transform:scale(.9)}.search-container{margin-bottom:1.5rem;position:relative}.search-input{width:100%;padding:.875rem 1rem .875rem 2.75rem;background:#f8fafc;border:1px solid var(--border);border-radius:1rem;font-size:.9375rem;outline:none;transition:all .2s}.search-input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px #25d3661a}.category-scroll{display:flex;overflow-x:auto;gap:.625rem;margin-bottom:1.75rem;padding:.25rem;scrollbar-width:none}.category-chip{padding:.5rem 1.125rem;background:#fff;border:1px solid var(--border);border-radius:2rem;font-size:.875rem;font-weight:600;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)}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.product-card{background:#fff;border-radius:1.25rem;border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.product-card:hover{box-shadow:var(--shadow-lg)}.product-image-container{position:relative;width:100%;aspect-ratio:1;background:#f8fafc}.product-image{width:100%;height:100%;object-fit:cover}.product-info{padding:1rem;display:flex;flex-direction:column;gap:.375rem}.product-title{font-size:.9375rem;font-weight:700;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-price{font-size:1.0625rem;font-weight:800;color:var(--primary-hover)}.add-btn{margin-top:.5rem;background:#f8fafc;color:var(--text);border:1px solid var(--border);padding:.625rem;border-radius:.75rem;font-weight:700;font-size:.875rem;display:flex;align-items:center;justify-content:center;gap:.375rem;cursor:pointer;transition:all .2s}.add-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.cart-fab{position:fixed;bottom:1.5rem;left:1.25rem;right:1.25rem;background:var(--text);color:#fff;padding:1.125rem 1.5rem;border-radius:1.25rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 20px 25px -5px #0003;cursor:pointer;border:none;z-index:50;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;align-items:flex-end}.modal-content{width:100%;background:#fff;border-radius:2rem 2rem 0 0;padding:2rem 1.5rem;max-height:90vh;overflow-y:auto;box-shadow:0 -10px 25px -5px #0000001a}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.modal-title{font-size:1.5rem;font-weight:800}.close-btn{background:#f1f5f9;border:none;padding:.5rem;border-radius:50%;cursor:pointer}.cart-items-list{display:flex;flex-direction:column;gap:1.25rem;margin-bottom:2.5rem}.cart-item{display:flex;align-items:center;gap:1rem}.cart-item-img{width:4rem;height:4rem;border-radius:.75rem;object-fit:cover;background:#f8fafc}.cart-item-details{flex-grow:1}.cart-item-name{font-weight:700;font-size:.9375rem}.cart-item-price{color:var(--text-muted);font-size:.875rem}.qty-control{display:flex;align-items:center;gap:.875rem;background:#f8fafc;padding:.375rem;border-radius:.75rem}.qty-btn{background:#fff;border:1px solid var(--border);width:1.75rem;height:1.75rem;border-radius:.375rem;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text)}.checkout-form{display:flex;flex-direction:column;gap:1.25rem;margin-top:2rem;padding-top:2rem;border-top:2px dashed var(--border)}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-size:.875rem;font-weight:700;color:var(--text)}.form-input{width:100%;padding:.875rem 1rem;background:#f8fafc;border:1px solid var(--border);border-radius:.75rem;font-size:.9375rem;outline:none;transition:all .2s}.form-input:focus{background:#fff;border-color:var(--primary)}.checkout-footer{margin-top:2.5rem}.total-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.total-label{font-size:1.125rem;font-weight:600;color:var(--text-muted)}.total-value{font-size:1.75rem;font-weight:800;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:800;display:flex;align-items:center;justify-content:center;gap:.75rem;cursor:pointer;transition:all .2s}.whatsapp-btn:hover{background:#128c7e;transform:translateY(-2px);box-shadow:0 10px 15px -3px #25d3664d}.whatsapp-btn:disabled{background:#cbd5e1;cursor:not-allowed;transform:none;box-shadow:none}