:root{--bg: #0a1628;--bg2: #111d33;--bg3: #182640;--card: #1a2d4a;--card-hover: #213654;--primary: #00c9a7;--primary-dark: #00a88c;--primary-light: rgba(0, 201, 167, .15);--accent: #ff6b35;--accent-light: rgba(255, 107, 53, .15);--text: #e8edf5;--text2: #8899b4;--text3: #5a6f8e;--border: #253550;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--radius: 16px;--radius-sm: 10px;--shadow: 0 4px 24px rgba(0,0,0,.3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Nunito,-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--border);display:flex;z-index:100;padding:6px 0 env(safe-area-inset-bottom,8px);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;cursor:pointer;color:var(--text3);font-size:11px;font-weight:600;transition:color .2s;position:relative;background:none;border:none;font-family:inherit}.nav-item.active{color:var(--primary)}.nav-item .nav-icon{font-size:22px}.nav-badge{position:absolute;top:2px;right:50%;transform:translate(16px);background:var(--accent);color:#fff;font-size:10px;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:800}.page{padding:16px 16px 90px;max-width:600px;margin:0 auto;animation:fadeIn .25s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.shop-header{text-align:center;padding:20px 0 16px}.shop-header h1{font-size:26px;font-weight:800;background:linear-gradient(135deg,var(--primary),#00e5ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.shop-header p{color:var(--text2);font-size:14px;margin-top:4px}.search-bar{display:flex;align-items:center;gap:10px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:0 16px;margin-bottom:16px}.search-bar input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:15px;padding:14px 0;font-family:inherit}.search-bar input::placeholder{color:var(--text3)}.search-icon{font-size:20px}.categories{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;margin-bottom:16px;scrollbar-width:none}.categories::-webkit-scrollbar{display:none}.cat-chip{flex-shrink:0;padding:10px 18px;background:var(--bg3);border:1px solid var(--border);border-radius:30px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s;white-space:nowrap;color:var(--text2);font-family:inherit}.cat-chip.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.product-card{background:var(--card);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s;border:1px solid var(--border)}.product-card:active{transform:scale(.97)}.product-img{width:100%;aspect-ratio:1;object-fit:cover;background:var(--bg3)}.product-img-placeholder{width:100%;aspect-ratio:1;background:linear-gradient(135deg,var(--bg3),var(--card));display:flex;align-items:center;justify-content:center;font-size:48px}.product-info{padding:12px}.product-name{font-size:14px;font-weight:700;line-height:1.3;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-weight{font-size:12px;color:var(--text3);margin-bottom:8px}.product-price{font-size:17px;font-weight:800;color:var(--primary)}.product-page-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);margin-bottom:16px;background:var(--bg3)}.product-page-placeholder{width:100%;aspect-ratio:4/3;background:linear-gradient(135deg,var(--bg3),var(--card));border-radius:var(--radius);margin-bottom:16px;display:flex;align-items:center;justify-content:center;font-size:80px}.product-page h2{font-size:22px;font-weight:800;margin-bottom:6px}.product-meta{color:var(--text2);font-size:14px;margin-bottom:12px}.product-desc{color:var(--text2);font-size:15px;line-height:1.6;margin-bottom:20px}.product-page-price{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:16px}.qty-control{display:flex;align-items:center;gap:16px;margin-bottom:16px}.qty-btn{width:44px;height:44px;border-radius:12px;background:var(--bg3);border:1px solid var(--border);color:var(--text);font-size:22px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;font-family:inherit}.qty-btn:active{background:var(--primary-light)}.qty-value{font-size:20px;font-weight:800;min-width:30px;text-align:center}.back-btn{display:inline-flex;align-items:center;gap:6px;color:var(--text2);font-size:14px;font-weight:600;cursor:pointer;margin-bottom:16px;background:none;border:none;font-family:inherit;padding:8px 0}.btn{width:100%;padding:16px;border:none;border-radius:var(--radius);font-size:16px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}.btn-primary:active{transform:scale(.98);opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-outline{background:none;border:2px solid var(--primary);color:var(--primary)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:10px 20px;font-size:14px;width:auto}.cart-item{display:flex;gap:12px;padding:14px;background:var(--card);border-radius:var(--radius);margin-bottom:10px;border:1px solid var(--border)}.cart-item-img{width:70px;height:70px;border-radius:var(--radius-sm);object-fit:cover;background:var(--bg3);flex-shrink:0}.cart-item-img-ph{width:70px;height:70px;border-radius:var(--radius-sm);background:var(--bg3);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}.cart-item-info{flex:1}.cart-item-name{font-size:14px;font-weight:700;margin-bottom:4px}.cart-item-price{font-size:13px;color:var(--text2);margin-bottom:8px}.cart-item-controls{display:flex;align-items:center;gap:12px}.cart-qty-btn{width:32px;height:32px;border-radius:8px;background:var(--bg3);border:1px solid var(--border);color:var(--text);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit}.cart-item-subtotal{font-size:15px;font-weight:700;color:var(--primary);margin-left:auto}.cart-summary{background:var(--card);border-radius:var(--radius);padding:16px;margin-top:16px;border:1px solid var(--border)}.cart-row{display:flex;justify-content:space-between;font-size:15px;padding:6px 0}.cart-row.discount{color:var(--success)}.cart-row.total{font-size:20px;font-weight:800;border-top:1px solid var(--border);padding-top:12px;margin-top:8px;color:var(--primary)}.cart-empty{text-align:center;padding:60px 20px;color:var(--text3)}.cart-empty-icon{font-size:64px;margin-bottom:16px}.cart-empty h3{font-size:18px;color:var(--text2);margin-bottom:8px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:700;color:var(--text2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:14px 16px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:15px;font-family:inherit;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--primary)}.form-input::placeholder{color:var(--text3)}select.form-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%238899b4'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:24px;padding-right:40px}.order-card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;border:1px solid var(--border);cursor:pointer}.order-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.order-id{font-weight:800;font-size:15px}.order-status{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:700}.order-items-preview{color:var(--text2);font-size:13px;margin-bottom:8px;line-height:1.5}.order-footer{display:flex;justify-content:space-between;align-items:center}.order-date{color:var(--text3);font-size:13px}.order-total{font-size:17px;font-weight:800;color:var(--primary)}.profile-card{background:var(--card);border-radius:var(--radius);padding:20px;margin-bottom:16px;border:1px solid var(--border);text-align:center}.profile-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#00e5ff);display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:800;color:#fff;margin:0 auto 12px}.profile-name{font-size:20px;font-weight:800;margin-bottom:4px}.profile-username{color:var(--text2);font-size:14px}.profile-discount{display:inline-flex;align-items:center;gap:6px;background:var(--accent-light);color:var(--accent);padding:6px 14px;border-radius:20px;font-size:14px;font-weight:700;margin-top:12px}.profile-section{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;border:1px solid var(--border)}.profile-section h3{font-size:14px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.chat-messages{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;max-height:400px;overflow-y:auto}.chat-msg{max-width:80%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.4}.chat-msg.customer{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-msg.admin{align-self:flex-start;background:var(--bg3);color:var(--text);border-bottom-left-radius:4px}.chat-msg-time{font-size:11px;opacity:.6;margin-top:4px}.chat-input-row{display:flex;gap:8px}.chat-input-row input{flex:1}.chat-send-btn{width:48px;height:48px;border-radius:var(--radius-sm);background:var(--primary);border:none;color:#fff;font-size:20px;cursor:pointer}.success-page{text-align:center;padding:40px 20px}.success-icon{font-size:72px;margin-bottom:16px}.success-page h2{font-size:24px;margin-bottom:8px}.success-page p{color:var(--text2);margin-bottom:24px}.empty-state{text-align:center;padding:40px 20px;color:var(--text3)}.empty-state-icon{font-size:56px;margin-bottom:12px}.loader{display:flex;justify-content:center;padding:40px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background:var(--success);color:#fff;padding:12px 24px;border-radius:var(--radius-sm);font-size:14px;font-weight:700;z-index:1000;animation:toastIn .3s ease;box-shadow:var(--shadow)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media (max-width: 380px){.products-grid{grid-template-columns:1fr}.product-page-price{font-size:24px}}