*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f4f6f9;color:#1a1a2e;min-height:100vh}.app{max-width:720px;margin:0 auto;padding:0 1rem 2rem}.header{text-align:center;padding:2.5rem 0 1.5rem}.header h1{font-size:2.2rem;font-weight:700;color:#2563eb;letter-spacing:-.5px}.subtitle{color:#64748b;margin-top:.3rem;font-size:.95rem}.search-wrapper{position:relative;margin-bottom:1rem}.search-icon{position:absolute;left:.9rem;top:50%;transform:translateY(-50%);font-size:.95rem;pointer-events:none}.search-input{width:100%;padding:.85rem 5rem .85rem 2.5rem;font-size:1rem;border:2px solid #e2e8f0;border-radius:12px;background:#fff;outline:none;transition:border-color .2s;box-shadow:0 1px 4px #0000000f}.search-input:focus{border-color:#2563eb}.search-input:disabled{opacity:.5;cursor:not-allowed}.search-actions{position:absolute;right:.4rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:.15rem}.clear-btn{background:none;border:none;font-size:.9rem;color:#94a3b8;cursor:pointer;padding:.3rem .4rem;line-height:1}.clear-btn:hover{color:#1a1a2e}.scan-btn{background:none;border:none;cursor:pointer;color:#64748b;padding:.3rem .4rem;line-height:0;border-radius:6px;transition:color .15s,background .15s}.scan-btn:hover{color:#2563eb;background:#eff6ff}.scan-btn:disabled{opacity:.4;cursor:not-allowed}.count{font-size:.85rem;color:#64748b;margin-bottom:.75rem}.loading{display:flex;align-items:center;gap:.5rem;color:#64748b;font-size:.9rem;margin-bottom:.75rem}.spinner{display:inline-block;width:14px;height:14px;border:2px solid #cbd5e1;border-top-color:#2563eb;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error{background:#fee2e2;color:#dc2626;padding:.75rem 1rem;border-radius:8px;font-size:.9rem;margin-bottom:.75rem}.product-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}.product-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:.85rem 1.1rem;transition:box-shadow .15s}.product-card:hover{box-shadow:0 2px 8px #2563eb1a;border-color:#bfdbfe}.product-header{display:flex;align-items:baseline;gap:.5rem;margin-bottom:.5rem}.product-name{font-size:.95rem;font-weight:600}.product-brand{font-size:.8rem;color:#64748b}.stores{display:flex;flex-wrap:wrap;gap:.35rem}.store-badge{font-size:.7rem;font-weight:600;padding:.2rem .55rem;border-radius:999px;color:#fff}.store-badge.lider{background:#e63946}.store-badge.acuenta{background:#f4a261}.store-badge.jumbo{background:#2a9d8f}.store-badge.unimarc{background:#457b9d}.store-badge.santaisabel{background:#6a4c93}.store-badge.tottus{background:#e76f51}.empty{text-align:center;padding:3rem 0;color:#94a3b8;font-size:.95rem}.scanner-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center}.scanner-close{position:absolute;top:1.25rem;right:1.25rem;background:#ffffff26;border:none;color:#fff;font-size:1.2rem;width:2.25rem;height:2.25rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.scanner-close:hover{background:#ffffff4d}.scanner-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.scanner-guide{position:relative;z-index:1;width:min(80vw,300px);height:min(30vw,120px);border:2px solid rgba(255,255,255,.8);border-radius:8px;overflow:hidden;box-shadow:0 0 0 9999px #00000080}.scanner-line{position:absolute;left:0;right:0;height:2px;background:#2563eb;animation:scan-line 1.8s ease-in-out infinite}@keyframes scan-line{0%{top:10%}50%{top:85%}to{top:10%}}.scanner-status{position:relative;z-index:1;margin-top:1.5rem;color:#ffffffd9;font-size:.9rem;text-align:center;padding:0 1.5rem}.scanner-status--error{color:#fca5a5}