*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#ffffff;--surface:#ffffff;--surface2:#f8f9fa;--border:#e2e8f0;--text:#1e293b;--muted:#64748b;--gold:#f39c12;--teal:#0d9488;--green:#16a34a;--red:#dc2626;--orange:#ea580c;--radius:14px;--font:"Inter",-apple-system,sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.store-loading{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--bg);color:var(--muted)}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--gold);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.store-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.store-logo{font-size:20px;font-weight:900;cursor:pointer;display:flex;align-items:center;gap:6px}.logo-icon{font-size:24px}.header-actions{display:flex;align-items:center;gap:10px}.user-badge{font-size:13px;color:var(--muted);background:var(--surface);padding:6px 14px;border-radius:20px;border:1px solid var(--border)}.btn-orders,.btn-logout{padding:8px 14px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--muted);font-size:13px;font-weight:600;transition:all .2s}.btn-orders:hover,.btn-logout:hover{background:var(--surface2);color:var(--text)}.btn-cart{padding:8px 16px;border-radius:10px;border:1px solid rgba(243,156,18,.3);background:#f39c121a;color:var(--gold);font-size:14px;font-weight:700;transition:all .2s}.btn-cart:hover{background:#f39c1226}.cart-badge{background:var(--gold);color:#fff;border-radius:8px;padding:1px 7px;font-size:11px;font-weight:800;margin-left:4px}.toast-message{max-width:1280px;margin:12px auto;padding:12px 24px;background:#2ecc711a;border:1px solid rgba(46,204,113,.2);border-radius:10px;color:var(--green);font-weight:600;text-align:center;font-size:14px;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.filters-section{max-width:1280px;margin:0 auto;padding:20px 24px 0}.search-bar{display:flex;align-items:center;background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:0 16px;margin-bottom:14px;transition:border-color .2s}.search-bar:focus-within{border-color:var(--gold)}.search-bar span{font-size:16px;margin-right:10px;opacity:.5}.search-bar input{flex:1;padding:14px 0;background:none;border:none;color:var(--text);font-size:15px;outline:none}.search-bar input::placeholder{color:var(--muted)}.search-clear{background:none;border:none;color:var(--muted);font-size:16px;padding:4px}.category-scroll{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}.category-scroll::-webkit-scrollbar{display:none}.brand-scroll{margin-top:4px}.cat-chip{white-space:nowrap;padding:8px 18px;border-radius:20px;border:1px solid var(--border);background:#fff;color:var(--muted);font-size:13px;font-weight:500;transition:all .2s;flex-shrink:0}.cat-chip:hover{border-color:#f39c1266}.cat-chip.active{background:#f39c121a;border-color:var(--gold);color:var(--gold);font-weight:700}.products-grid{max-width:1280px;margin:0 auto;padding:20px 24px 40px;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}.product-card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0000000a;display:flex;flex-direction:column}.product-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 12px 24px #00000014,0 0 0 1px var(--gold)}.card-img{height:180px;background:var(--surface2);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;flex-shrink:0}.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.product-card:hover .card-img img{transform:scale(1.05)}.img-fallback{font-size:52px;opacity:.4}.img-fallback.lg{font-size:80px}.badge-disc{position:absolute;top:10px;left:10px;background:var(--teal);color:#fff;padding:3px 10px;border-radius:8px;font-size:12px;font-weight:800}.badge-stock{position:absolute;bottom:10px;right:10px;background:#e74c3ce6;color:#fff;padding:3px 10px;border-radius:8px;font-size:11px;font-weight:700}.card-body{padding:14px;flex:1;display:flex;flex-direction:column}.card-brand-zone{height:16px;flex-shrink:0;margin-bottom:4px}.brand{display:block;font-size:10px;font-weight:700;color:var(--gold);text-transform:uppercase;letter-spacing:.5px;line-height:16px}.card-name-zone{height:40px;flex-shrink:0;margin-bottom:6px;overflow:hidden}.card-body h3{font-size:14px;font-weight:600;line-height:20px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-social-zone{height:16px;flex-shrink:0;margin-bottom:6px}.social{display:block;font-size:11px;color:var(--orange);font-weight:700;line-height:16px}.price-row{display:flex;align-items:baseline;gap:8px;height:26px;flex-shrink:0;margin-bottom:12px}.old{text-decoration:line-through;color:var(--muted);font-size:13px}.current{color:var(--teal);font-weight:800;font-size:18px}.btn-add{width:100%;padding:10px;border-radius:10px;background:#f39c121a;border:1px solid rgba(243,156,18,.2);color:var(--gold);font-weight:700;font-size:13px;transition:all .2s;flex-shrink:0;margin-top:auto}.btn-add:hover{background:var(--gold);color:#fff}.btn-add:disabled{opacity:.5;cursor:not-allowed}.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--muted)}.empty-state span{font-size:48px;opacity:.3;display:block;margin-bottom:8px}.empty-state.sm{padding:40px 20px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .2s}.modal{background:var(--surface);border-radius:20px;border:1px solid var(--border);max-height:85vh;overflow-y:auto;position:relative;width:100%}.close-btn{position:absolute;top:16px;right:16px;z-index:10;background:none;border:none;color:var(--muted);font-size:22px}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border)}.modal-head h2{margin:0;font-size:18px}.modal-head button{background:none;border:none;color:var(--muted);font-size:22px}.detail-modal{max-width:640px}.detail-img{height:280px;background:var(--surface2);display:flex;align-items:center;justify-content:center;overflow:hidden}.detail-img img{width:100%;height:100%;object-fit:cover}.detail-body{padding:24px}.detail-body h2{font-size:22px;margin:0 0 6px}.supplier{color:var(--muted);font-size:13px;margin:4px 0 0}.detail-badges{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.b-fire{background:#f39c121f;color:var(--orange);padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600}.b-info{background:#ffffff0d;color:var(--muted);padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600}.b-danger{background:#e74c3c1f;color:var(--red);padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600}.detail-price{display:flex;align-items:baseline;gap:10px;margin:12px 0}.big{color:var(--teal);font-weight:900;font-size:30px}.desc{color:var(--muted);line-height:1.6;font-size:14px;margin:16px 0}.meta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}.meta-row span{background:#ffffff0d;padding:8px 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h4{color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:.5px;margin:0 0 10px}.warn{color:var(--red);font-size:12px;margin:0 0 8px}.cart-row{display:flex;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.cart-info{flex:1}.name{display:block;font-size:13px;font-weight:600}.qty{display:block;font-size:12px;color:var(--muted);margin-top:2px}.total{font-size:14px;font-weight:700;color:var(--teal);margin-right:8px}.rm{background:none;border:none;font-size:14px;padding:6px}.group-foot{margin-top:10px;padding-top:10px}.group-foot span{display:block;font-size:13px;color:var(--muted);margin-bottom:2px}.hint{color:var(--gold)!important;font-style:italic}.cart-footer{padding:20px;border-top:1px solid var(--border)}.grand{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}.grand span{font-size:16px}.grand 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strong{color:var(--teal)}.btn-confirm{width:100%;padding:16px;border-radius:12px;border:none;background:var(--green);color:#fff;font-weight:800;font-size:16px;margin-bottom:8px}.btn-back{width:100%;padding:12px;border-radius:10px;background:none;border:1px solid var(--border);color:var(--muted);font-size:14px}.success-modal{max-width:420px;padding:40px;text-align:center}.success-modal h2{color:var(--green);font-size:24px;margin-bottom:12px}.success-modal p{color:var(--muted);margin:8px 0}.success-modal strong{color:var(--gold)}.orders-modal{max-width:620px}.orders-list{padding:16px;max-height:60vh;overflow-y:auto}.order-card{background:#fff;border-radius:12px;padding:16px;margin-bottom:12px;border:1px solid var(--border);box-shadow:0 2px 4px #00000005}.order-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.oid{font-weight:700;color:var(--gold);font-size:14px}.ostatus{padding:4px 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label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}.form-group input{width:100%;padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:15px;outline:none;box-sizing:border-box}.form-group input:focus{border-color:var(--gold)}.form-group input::placeholder{color:var(--muted)}.login-error{background:#e74c3c1a;border:1px solid rgba(231,76,60,.2);border-radius:10px;padding:10px;color:var(--red);font-size:13px;margin-bottom:12px}.login-btn{width:100%;padding:16px;border-radius:12px;border:none;background:var(--gold);color:#fff;font-weight:800;font-size:16px;transition:transform .2s}.login-btn:hover{transform:scale(1.02)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.login-hint{color:var(--muted);font-size:12px;margin-top:20px}@media(max-width:768px){.products-grid{grid-template-columns:repeat(2,1fr);gap:10px;padding:12px}.card-img{height:140px}.header-inner{padding:12px 16px}.store-logo{font-size:17px}.user-badge{display:none}.filters-section{padding:12px 16px 0}.cart-sidebar{width:100%;max-width:100%}.header-actions{gap:6px}.btn-orders{padding:6px 10px;font-size:12px}.btn-logout{display:none}}@media(max-width:480px){.products-grid{gap:8px;padding:8px}.card-body{padding:10px}.card-body h3{font-size:12px}.current{font-size:15px}}.premium-modal{max-width:420px;width:90%;padding:32px 28px;text-align:center;border-radius:20px;background:linear-gradient(135deg,#fffbf0,#fff 60%);border:2px solid rgba(212,175,55,.25);position:relative;animation:premiumSlideUp .35s ease-out}@keyframes premiumSlideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.premium-close{position:absolute;top:14px;right:14px;background:none;border:none;font-size:20px;color:#94a3b8;cursor:pointer;padding:4px}.premium-crown{font-size:56px;margin-bottom:8px;animation:crownBounce 1.5s ease infinite}@keyframes crownBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.premium-title{font-size:22px;font-weight:800;color:#1e293b;margin:0 0 8px}.premium-desc{font-size:14px;color:#64748b;margin:0 0 20px;line-height:1.5}.premium-price-box{background:linear-gradient(135deg,#f39c12,#e67e22);border-radius:14px;padding:16px 24px;display:inline-flex;align-items:baseline;gap:4px;margin-bottom:20px}.premium-price-label{font-size:13px;font-weight:600;color:#fffc}.premium-price{font-size:32px;font-weight:900;color:#fff;letter-spacing:-.5px}.premium-price-period{font-size:14px;font-weight:600;color:#ffffffb3}.premium-features{list-style:none;padding:0;text-align:left;max-width:280px;margin:0 auto 24px}.premium-features li{padding:8px 0;font-size:14px;font-weight:600;color:#334155;border-bottom:1px solid #f1f5f9}.premium-features li:last-child{border-bottom:none}.premium-cta{width:100%;padding:16px;border:none;border-radius:14px;background:linear-gradient(135deg,#f39c12,#e67e22);color:#fff;font-size:17px;font-weight:800;cursor:pointer;transition:all .2s;box-shadow:0 4px 16px #f39c1259}.premium-cta:hover{transform:translateY(-2px);box-shadow:0 6px 24px #f39c1273}.premium-note{margin:12px 0 0;font-size:11px;color:#94a3b8;font-weight:500}