*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--brand:#6d28d9;--brand-dark:#5b21b6;--brand-light:#f3eeff;--brand-border:#ddd1fa;--green:#16a34a;--green-light:#f0fdf4;--red:#dc2626;--red-light:#fef2f2;--amber:#d97706;--amber-light:#fffbeb;--bg:#fafafa;--surface:#fff;--surface-2:#f5f5f5;--border:#ececec;--border-strong:#ddd;--text:#1a1a1a;--text-2:#4a4a4a;--text-3:#7a7a7a;--text-muted:#ababab;--r:12px;--r-sm:8px;--r-lg:16px;--r-xl:22px;--r-full:999px;--shadow-xs:0 1px 2px rgba(0,0,0,.04);--shadow-sm:0 2px 8px rgba(0,0,0,.06);--shadow-md:0 8px 24px rgba(0,0,0,.1);--shadow-lg:0 16px 40px rgba(0,0,0,.16);--t:160ms cubic-bezier(.4,0,.2,1);--nav-h:62px;--top-h:56px}html{-webkit-font-smoothing:antialiased}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:15px;-webkit-tap-highlight-color:transparent}[role=button],a,button,input,select,textarea{-webkit-tap-highlight-color:transparent;outline:none}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}.app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;padding-bottom:calc(var(--nav-h) + 12px)}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:var(--surface);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;gap:10px;min-height:var(--top-h)}.topbar-title{font-size:17px;font-weight:800;color:var(--text);flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-back{width:34px;height:34px}.icon-btn,.topbar-back{border-radius:var(--r-full);border:none;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;flex-shrink:0}.icon-btn{width:38px;height:38px;position:relative}.icon-btn .badge-dot{position:absolute;top:-3px;right:-3px;min-width:18px;height:18px;padding:0 4px;border-radius:var(--r-full);background:var(--brand);color:#fff;font-size:10.5px;font-weight:800;display:flex;align-items:center;justify-content:center}.content{padding:14px 16px 8px}.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:480px;height:var(--nav-h);background:var(--surface);border-top:1px solid var(--border);display:flex;z-index:50;box-shadow:0 -4px 16px rgba(0,0,0,.05)}.bottom-nav-item{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:10.5px;font-weight:600;position:relative}.bottom-nav-item .icon{font-size:20px}.bottom-nav-item.active{color:var(--brand)}.bottom-nav-item .badge-dot{position:absolute;top:2px;right:24%;min-width:16px;height:16px;padding:0 3px;border-radius:var(--r-full);background:var(--brand);color:#fff;font-size:9.5px;font-weight:800;display:flex;align-items:center;justify-content:center}.view-only-banner{background:var(--amber-light);border:1px solid #fde68a;color:#92400e;border-radius:var(--r);padding:10px 14px;font-size:12.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}.cat-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:16px;scrollbar-width:none}.cat-row::-webkit-scrollbar{display:none}.cat-chip{flex-shrink:0;padding:8px 16px;border-radius:var(--r-full);border:1.5px solid var(--border);background:var(--surface);color:var(--text-2);font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all var(--t)}.cat-chip.active{background:var(--brand);border-color:var(--brand);color:#fff}.product-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.product-card{background:var(--surface);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-xs);border:1px solid var(--border);display:block;cursor:pointer;transition:transform var(--t),box-shadow var(--t)}.product-card:active{transform:scale(.98)}.product-card-img{width:100%;aspect-ratio:1;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:34px;position:relative;overflow:hidden}.product-card-img img{width:100%;height:100%;object-fit:cover}.stock-tag{position:absolute;top:8px;left:8px;background:hsla(0,0%,100%,.92);color:var(--text-2);font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:var(--r-full)}.stock-tag.out{background:rgba(220,38,38,.92);color:#fff}.product-card-body{padding:10px 12px 12px}.product-card-name{font-size:13.5px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:34px;margin-bottom:6px}.product-card-price{font-size:14.5px;font-weight:800;color:var(--brand)}.product-card-meta{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:11.5px;color:var(--text-muted)}.section-title{font-size:16px;font-weight:800;color:var(--text);margin-bottom:12px;letter-spacing:-.2px}.hero{background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-radius:var(--r-xl);padding:20px;color:#fff;margin-bottom:20px;position:relative;overflow:hidden}.hero-title{font-size:20px;font-weight:800;letter-spacing:-.3px;margin-bottom:4px}.hero-sub{font-size:12.5px;opacity:.92}.hero-emoji{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:52px;opacity:.35}.gallery{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;border-radius:var(--r-lg);margin-bottom:16px;scrollbar-width:none}.gallery::-webkit-scrollbar{display:none}.gallery-slide{flex:0 0 100%;scroll-snap-align:start;aspect-ratio:1;background:var(--surface-2);border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;font-size:60px;overflow:hidden;position:relative}.gallery-slide img{width:100%;height:100%;object-fit:cover}.gallery-slide .remove-img{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;border:none;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center}.detail-price{font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.5px}.detail-name{font-size:19px;font-weight:800;color:var(--text);margin:10px 0 4px}.detail-desc{font-size:13.5px;color:var(--text-3);line-height:1.6;margin-bottom:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14.5px;font-weight:700;padding:13px 18px;border-radius:var(--r);border:none;background:var(--brand);color:#fff;cursor:pointer;transition:transform .1s,background var(--t),opacity var(--t)}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-block{width:100%}.btn.ghost{background:var(--surface);color:var(--text-2);border:1.5px solid var(--border)}.btn.red{background:var(--red)}.btn.green{background:var(--green)}.btn-sm{padding:8px 12px;font-size:13px;border-radius:var(--r-sm)}.fixed-cta{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--nav-h) + 10px);width:100%;max-width:448px;padding:0 16px;z-index:45}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-xs)}.card-p{padding:16px}.list-item{display:flex;align-items:center;gap:10px;padding:14px 16px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:11.5px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.3px}input,select,textarea{font:inherit;font-size:14px;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--r);background:var(--surface);color:var(--text);width:100%;transition:border-color var(--t)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}.size-chip-row{display:flex;flex-wrap:wrap;gap:8px}.size-chip{display:inline-flex;align-items:center;gap:6px;min-width:44px;justify-content:center;padding:8px 12px;border-radius:var(--r-sm);border:1.5px solid var(--brand-border);background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:700}.size-chip.editable{padding-right:6px}.size-chip button{border:none;background:transparent;color:var(--brand-dark);cursor:pointer;font-size:12px;line-height:1;padding:3px 4px;border-radius:50%;opacity:.65}.size-chip button:hover{opacity:1;background:rgba(0,0,0,.06)}.preset-chip{padding:7px 12px;border-radius:var(--r-full);border:1.5px dashed var(--border-strong);background:var(--surface);color:var(--text-3);font-size:12px;font-weight:600;cursor:pointer;transition:all var(--t)}.preset-chip:hover{border-color:var(--brand);color:var(--brand-dark)}.preset-chip.danger{border-style:solid;color:var(--red);border-color:#fecaca}.status-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:var(--r-full);font-size:11.5px;font-weight:700}.status-dot{width:6px;height:6px;border-radius:50%}.chat-scroll{display:flex;flex-direction:column;gap:8px;padding-bottom:8px}.bubble{max-width:78%;padding:9px 13px;border-radius:16px;font-size:13.5px;line-height:1.4}.bubble.me{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}.bubble.them{align-self:flex-start;background:var(--surface-2);color:var(--text);border-bottom-left-radius:4px}.chat-input-row{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--nav-h));width:100%;max-width:480px;background:var(--surface);border-top:1px solid var(--border);padding:10px 12px;display:flex;gap:8px;z-index:45}.empty{text-align:center;padding:48px 20px}.empty-icon{font-size:40px;margin-bottom:12px;opacity:.6}.empty-title{font-size:14.5px;font-weight:700;color:var(--text-3);margin-bottom:4px}.empty-desc{font-size:12.5px;color:var(--text-muted)}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.sk{background:linear-gradient(90deg,#ececec 25%,#f5f5f5 50%,#ececec 75%);background-size:800px 100%;animation:shimmer 1.3s ease-in-out infinite;border-radius:var(--r-sm)}.sk-card{aspect-ratio:.85;border-radius:var(--r-lg)}.sk-para{height:60px}.sk-line{border-radius:var(--r-sm)}.err-block{background:var(--red-light);border:1px solid #fecaca;color:#991b1b;border-radius:var(--r);padding:10px 14px;margin-bottom:14px}.err-block,.text-sm{font-size:12.5px}.text-xs{font-size:11px}.muted{color:var(--text-muted)}.text-2{color:var(--text-2)}.text-3{color:var(--text-3)}.row{gap:8px}.row,.row-sb{display:flex;align-items:center}.row-sb{justify-content:space-between;gap:10px}.divider{height:1px;background:var(--border);margin:14px 0}.toast-wrap{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:448px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;font-size:13px;font-weight:600;box-shadow:var(--shadow-md);pointer-events:all;border:1px solid transparent;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.toast-success{background:#f0fdf4;color:#166534;border-color:#bbf7d0}.toast-error{background:#fef2f2;color:#991b1b;border-color:#fecaca}.toast-info{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-border)}.toast-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:10px;font-weight:800}.toast-success .toast-icon{background:var(--green);color:#fff}.toast-error .toast-icon{background:var(--red);color:#fff}.toast-info .toast-icon{background:var(--brand);color:#fff}.dialog-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000;display:flex;align-items:flex-end;justify-content:center}.dialog-box{background:var(--surface);border-radius:20px 20px 0 0;padding:22px 20px 26px;width:100%;max-width:480px;animation:sheet-in .22s cubic-bezier(.4,0,.2,1)}@keyframes sheet-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}.dialog-title{font-size:16px;font-weight:800;margin-bottom:6px}.dialog-msg{font-size:13.5px;color:var(--text-3);margin-bottom:18px;line-height:1.6}.dialog-actions{display:flex;gap:8px}.dialog-actions .btn{flex:1 1}.loading-page{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px}.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.login-page{min-height:100vh;flex-direction:column;padding:24px;max-width:420px;margin:0 auto}.login-logo,.login-page{display:flex;justify-content:center}.login-logo{width:64px;height:64px;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--brand),var(--brand-dark));align-items:center;font-size:30px;margin:0 auto 18px;box-shadow:var(--shadow-md)}.login-title{font-size:22px;font-weight:800;text-align:center;margin-bottom:4px}.login-sub{font-size:13px;color:var(--text-3);text-align:center;margin-bottom:28px}.uploader-grid{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}.uploader-thumb{position:relative;width:88px;height:88px;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:var(--surface-2)}.uploader-thumb img{width:100%;height:100%;object-fit:cover;display:block}.uploader-main{left:4px;background:var(--brand);font-size:9.5px;font-weight:700;padding:2px 7px;border-radius:999px}.uploader-main,.uploader-rm{position:absolute;top:4px;color:#fff}.uploader-rm{right:4px;width:20px;height:20px;border-radius:50%;border:none;background:rgba(0,0,0,.6);font-size:10px;cursor:pointer;line-height:20px}.uploader-mv{position:absolute;bottom:0;left:0;right:0;display:flex}.uploader-mv button{flex:1 1;border:none;background:rgba(0,0,0,.55);color:#fff;font-size:10px;padding:4px 0;cursor:pointer}.uploader-mv button:disabled{opacity:.35}.uploader-drop{border:2px dashed var(--border-strong,#ddd);border-radius:14px;padding:18px 14px;text-align:center;cursor:pointer;background:var(--surface-2);transition:all .15s;outline:none}.uploader-drop.drag,.uploader-drop:active{border-color:var(--brand);background:var(--brand-light)}.uploader-drop-icon{font-size:26px;margin-bottom:4px}.uploader-drop-title{font-size:13.5px;font-weight:700;color:var(--text-2)}.uploader-drop-sub{font-size:11.5px;color:var(--text-muted);margin-top:2px}.uploader-progress{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;font-weight:600;color:var(--text-2);padding:8px 0}.uploader-spinner{width:18px;height:18px;border:2.5px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}