@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--primary: #1a3c5e;--primary-light: #254f7a;--accent: #f15a27;--accent-light: #ff7043;--bg: #f5f7fa;--surface: #ffffff;--surface-2: #f0f4f8;--border: #e2e8f0;--text: #1a202c;--text-muted: #718096;--text-light: #a0aec0;--success: #38a169;--danger: #e53e3e;--radius: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .12)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;background:var(--bg);font-family:Plus Jakarta Sans,system-ui,sans-serif;font-size:15px;color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none}.app-container{display:flex;flex-direction:column;height:100dvh;max-width:480px;margin:0 auto;background:var(--surface);position:relative;overflow:hidden}.page-content{flex:1;overflow-y:auto;overflow-x:hidden;padding-bottom:80px;-webkit-overflow-scrolling:touch}.header{background:var(--primary);padding:14px 16px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0;box-shadow:0 2px 8px #1a3c5e4d}.header-brand{display:flex;flex-direction:column}.header-brand h1{font-size:1.1rem;font-weight:800;color:#fff;letter-spacing:-.3px}.header-brand span{font-size:.7rem;color:#ffffffa6;font-weight:500}.header-actions{display:flex;gap:4px}.header-search{flex:1;background:#ffffff26;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);display:flex;align-items:center;padding:8px 12px;gap:8px;cursor:text;color:#ffffffbf;font-size:.85rem}.btn-icon{width:40px;height:40px;border-radius:var(--radius);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s;color:#fff;background:#ffffff26;flex-shrink:0}.btn-icon:active{transform:scale(.92)}.btn-icon.dark{background:var(--surface-2);color:var(--text)}.category-strip{display:flex;gap:8px;padding:12px 16px;overflow-x:auto;scrollbar-width:none;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.category-strip::-webkit-scrollbar{display:none}.cat-chip{flex-shrink:0;padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:600;border:1.5px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:all .15s;white-space:nowrap;font-family:inherit}.cat-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:12px 16px}.product-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .12s,box-shadow .12s;display:flex;flex-direction:column;position:relative}.product-card:active{transform:scale(.96);box-shadow:none}.product-img-wrap{width:100%;aspect-ratio:1;background:var(--surface-2);position:relative;overflow:hidden}.product-img{width:100%;height:100%;object-fit:cover}.product-img-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e8f0fe,#f0f4f8);color:var(--text-light)}.product-add-btn{position:absolute;bottom:8px;right:8px;width:32px;height:32px;background:var(--accent);border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 8px #f15a2766;color:#fff;transition:transform .1s}.product-add-btn:active{transform:scale(.88)}.product-info{padding:10px 12px 12px}.product-name{font-size:.82rem;font-weight:600;color:var(--text);margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.35}.product-price-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.product-price{font-size:.95rem;font-weight:800;color:var(--primary)}.product-price-original{font-size:.75rem;color:var(--text-light);text-decoration:line-through}.product-stock{font-size:.7rem;color:var(--text-light);margin-top:3px}.bottom-nav{position:absolute;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:flex;height:68px;z-index:30;box-shadow:0 -4px 16px #0000000f}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;border:none;background:none;color:var(--text-light);font-size:.65rem;font-weight:600;transition:color .15s;padding:0;font-family:inherit;position:relative}.nav-item.active{color:var(--primary)}.nav-item.active:before{content:"";position:absolute;top:0;left:20%;right:20%;height:2px;background:var(--primary);border-radius:0 0 2px 2px}.cart-badge{position:absolute;top:8px;left:50%;transform:translate(6px);background:var(--accent);color:#fff;font-size:.6rem;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;z-index:50;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sheet{background:var(--surface);width:100%;max-width:480px;border-radius:20px 20px 0 0;padding:0 16px 24px;animation:slideUp .3s cubic-bezier(.22,1,.36,1);max-height:92dvh;display:flex;flex-direction:column}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet-handle{width:36px;height:4px;background:var(--border);border-radius:2px;margin:12px auto 0;flex-shrink:0}.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:16px 0 12px;border-bottom:1px solid var(--border);flex-shrink:0}.sheet-title{font-size:1rem;font-weight:700}.sheet-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.cart-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.cart-item-img{width:56px;height:56px;border-radius:var(--radius);object-fit:cover;background:var(--surface-2);flex-shrink:0}.cart-item-info{flex:1;min-width:0}.cart-item-name{font-size:.875rem;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cart-item-price{font-size:.875rem;font-weight:700;color:var(--accent)}.qty-control{display:flex;align-items:center;gap:2px}.qty-btn{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--border);background:var(--surface-2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;color:var(--text);transition:all .1s;font-family:inherit}.qty-btn:active{transform:scale(.88)}.qty-val{min-width:28px;text-align:center;font-weight:700;font-size:.95rem}.checkout-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;font-size:.875rem}.checkout-row.total{border-top:1.5px dashed var(--border);margin-top:8px;padding-top:16px;font-size:1.05rem;font-weight:700}.checkout-total-amt{color:var(--primary);font-size:1.4rem;font-weight:800}.payment-section{background:var(--surface-2);border-radius:var(--radius);padding:16px;margin:16px 0}.payment-label{font-size:.8rem;color:var(--text-muted);font-weight:600;margin-bottom:8px}.payment-input{width:100%;font-size:1.5rem;font-weight:800;font-family:inherit;border:none;background:transparent;color:var(--primary);outline:none;text-align:right}.change-display{margin-top:12px;padding-top:12px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.change-label{font-size:.8rem;color:var(--text-muted);font-weight:600}.change-amount{font-size:1.1rem;font-weight:800;color:var(--success)}.btn{border:none;border-radius:var(--radius);font-family:inherit;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:filter .15s,transform .1s}.btn:active{transform:scale(.97);filter:brightness(.95)}.btn-primary{background:var(--primary);color:#fff;padding:14px 20px;width:100%;font-size:1rem;border-radius:var(--radius-lg)}.btn-accent{background:var(--accent);color:#fff;padding:14px 20px;width:100%;font-size:1rem;border-radius:var(--radius-lg)}.btn-outline{background:transparent;color:var(--primary);padding:11px 20px;border:1.5px solid var(--primary);font-size:.875rem;border-radius:var(--radius)}.btn-ghost{background:var(--surface-2);color:var(--text);padding:11px 16px;font-size:.875rem;border-radius:var(--radius)}.cart-float-bar{position:absolute;bottom:72px;left:12px;right:12px;background:var(--primary);border-radius:var(--radius-lg);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;z-index:25;box-shadow:0 6px 20px #1a3c5e4d;cursor:pointer;animation:slideUpBar .3s cubic-bezier(.22,1,.36,1)}@keyframes slideUpBar{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.cart-float-info{display:flex;flex-direction:column;gap:2px}.cart-float-count{font-size:.75rem;color:#ffffffb3;font-weight:500}.cart-float-total{font-size:1.1rem;font-weight:800;color:#fff}.cart-float-cta{background:var(--accent);color:#fff;border:none;border-radius:var(--radius);padding:8px 16px;font-family:inherit;font-size:.875rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:6px}.input-field{margin-bottom:16px}.input-label{font-size:.8rem;font-weight:600;color:var(--text-muted);margin-bottom:6px;display:block}.input-ctrl{width:100%;border:1.5px solid var(--border);border-radius:var(--radius);padding:12px 14px;font-family:inherit;font-size:.9rem;color:var(--text);background:var(--surface);outline:none;transition:border-color .15s,box-shadow .15s}.input-ctrl:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1a3c5e1a}.login-page{min-height:100dvh;background:linear-gradient(160deg,var(--primary) 0%,var(--primary-light) 55%,#2d7fc1 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.login-logo{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:40px}.login-logo h1{font-size:2rem;font-weight:800;color:#fff;letter-spacing:-1px}.login-logo p{font-size:.875rem;color:#ffffffb3}.login-card{background:var(--surface);border-radius:20px;padding:28px 24px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.login-card h2{font-size:1.25rem;font-weight:700;margin-bottom:6px}.login-card p{font-size:.8rem;color:var(--text-muted);margin-bottom:24px}.section-header{display:flex;justify-content:space-between;align-items:center;padding:16px 16px 8px}.section-title{font-size:.95rem;font-weight:700}.section-link{font-size:.8rem;color:var(--accent);font-weight:600;cursor:pointer}.divider{height:1px;background:var(--border);margin:8px 0}.tag{display:inline-flex;align-items:center;padding:3px 8px;border-radius:4px;font-size:.7rem;font-weight:700}.tag-sale{background:#fef3c7;color:#92400e}.tag-low{background:#fee2e2;color:var(--danger)}.empty-state{display:flex;flex-direction:column;align-items:center;padding:48px 24px;gap:12px;color:var(--text-muted)}.empty-state p{font-size:.875rem;text-align:center}.toast{position:fixed;bottom:90px;left:50%;transform:translate(-50%) translateY(20px);background:var(--text);color:#fff;padding:10px 18px;border-radius:30px;font-size:.8rem;font-weight:600;white-space:nowrap;animation:toastIn .3s cubic-bezier(.22,1,.36,1) forwards;z-index:100}@keyframes toastIn{to{transform:translate(-50%) translateY(0);opacity:1}}