@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary: #FF6600;--primary-light: #FFF3EB;--primary-hover: #E65C00;--primary-gradient: linear-gradient(135deg, #FF6600 0%, #FF8533 100%);--bg-color: #F5F5F7;--surface-color: #FFFFFF;--text-primary: #1F2937;--text-secondary: #6B7280;--text-muted: #9CA3AF;--border-color: #E5E7EB;--border-light: #F3F4F6;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 12px -1px rgb(0 0 0 / .08);--shadow-lg: 0 8px 24px -4px rgb(0 0 0 / .12);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--sidebar-width: 300px;--header-height: 64px;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--diff-bg: #FFFBEB;--diff-border: #FDE68A;--diff-dot: #F59E0B}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:100;background:var(--primary-gradient);height:var(--header-height);display:flex;align-items:center;padding:0 1.5rem;box-shadow:0 2px 12px #f603}.logo{font-size:1.25rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:.625rem}.logo svg{width:28px;height:28px}.header-actions{margin-left:auto;display:flex;align-items:center;gap:.75rem}.badge{background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-size:.75rem;font-weight:600;padding:.3rem .75rem;border-radius:999px;line-height:1;border:1px solid rgba(255,255,255,.3)}.clear-btn{background:#ffffff26;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:.8125rem;font-weight:500;padding:.375rem .75rem;border-radius:var(--radius-md);cursor:pointer;transition:all .2s}.clear-btn:hover{background:#ffffff4d}.mobile-menu-btn{display:none;background:none;border:none;color:#fff;cursor:pointer;padding:.25rem;border-radius:var(--radius-sm);transition:background .15s}.mobile-menu-btn:hover{background:#ffffff26}.mobile-menu-btn svg{width:24px;height:24px}.app-layout{display:flex;flex:1;height:calc(100vh - var(--header-height));position:relative}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--surface-color);border-right:1px solid var(--border-color);overflow-y:auto;padding:0;display:flex;flex-direction:column}.sidebar-title{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem .75rem;border-bottom:1px solid var(--border-light)}.sidebar-title-text{font-size:.875rem;font-weight:700;color:var(--text-primary);text-transform:uppercase;letter-spacing:.04em}.sidebar-title-count{font-size:.6875rem;font-weight:600;background:var(--primary);color:#fff;padding:.15rem .5rem;border-radius:999px;line-height:1.3}.sidebar-search{position:relative;padding:.75rem 1rem;border-bottom:1px solid var(--border-light)}.sidebar-search-icon{position:absolute;left:1.625rem;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-muted);pointer-events:none}.sidebar-search-input{width:100%;padding:.5rem 2rem .5rem 2.25rem;border:1.5px solid var(--border-color);border-radius:var(--radius-lg);font-size:.8125rem;font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-color);outline:none;transition:all .2s}.sidebar-search-input::placeholder{color:var(--text-muted)}.sidebar-search-input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px #ff66001a}.sidebar-search-clear{position:absolute;right:1.375rem;top:50%;transform:translateY(-50%);width:20px;height:20px;background:none;border:none;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:color .15s}.sidebar-search-clear:hover{color:var(--text-primary)}.sidebar-search-clear svg{width:14px;height:14px}.sidebar-no-results{padding:2rem 1.25rem;text-align:center;color:var(--text-muted);font-size:.8125rem}.product-list{list-style:none;flex:1;overflow-y:auto}.product-group{margin-bottom:0;border-bottom:1px solid var(--border-light)}.product-model-group{margin-bottom:0}.product-model-header{font-size:.8125rem;font-weight:600;color:var(--text-secondary);padding:.5rem 1.25rem .5rem 2.25rem;background:var(--surface-color);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s}.product-model-header:hover{color:var(--primary);background:var(--border-light)}.product-model-header-left{display:flex;align-items:center;gap:.375rem}.collapse-chevron{width:12px;height:12px;flex-shrink:0;transition:transform .25s ease}.collapse-chevron.collapsed{transform:rotate(-90deg)}.product-group-header{font-size:.8125rem;font-weight:700;color:var(--text-primary);padding:.75rem 1.25rem;display:flex;align-items:center;justify-content:space-between;background:var(--bg-color);cursor:pointer;-webkit-user-select:none;user-select:none;border-left:4px solid transparent;transition:all .15s}.product-group-header:hover{background:#eeeef0}.product-group-header-left,.product-group-header-right{display:flex;align-items:center;gap:.5rem}.category-icon-img{width:24px;height:24px;object-fit:contain;border-radius:var(--radius-sm);flex-shrink:0}.category-label{text-transform:uppercase;letter-spacing:.04em;font-size:.75rem}.product-group-count{font-size:.625rem;background:var(--border-color);color:var(--text-secondary);padding:.15rem .5rem;border-radius:999px;font-weight:600;line-height:1.3}.select-all-btn{width:20px;height:20px;border:1.5px solid var(--border-color);border-radius:var(--radius-sm);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;transition:all .15s}.select-all-btn svg{width:12px;height:12px}.select-all-btn:hover{border-color:var(--primary)}.select-all-btn.all-selected{background:var(--primary);border-color:var(--primary);color:#fff}.select-all-btn.some-selected{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.product-category-content{max-height:2000px;overflow:hidden;transition:max-height .35s ease}.product-category-content.category-collapsed{max-height:0}.product-model-items{max-height:1000px;overflow:hidden;transition:max-height .3s ease}.product-model-items.model-collapsed{max-height:0}.product-group-items{list-style:none}.product-item{display:flex;align-items:center;gap:.625rem;padding:.5rem 1.25rem .5rem 2.75rem;cursor:pointer;transition:all .15s;border-left:3px solid transparent}.product-item:hover{background:var(--border-light)}.product-item.selected{background:var(--primary-light);border-left-color:var(--primary)}.product-item-checkbox{width:18px;height:18px;border-radius:var(--radius-sm);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.product-item.selected .product-item-checkbox{background:var(--primary);border-color:var(--primary)}.product-item-checkbox svg{width:12px;height:12px;color:#fff;opacity:0;transition:opacity .15s}.product-item.selected .product-item-checkbox svg{opacity:1}.product-item-thumb{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--bg-color);overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center}.product-item-thumb img{width:100%;height:100%;object-fit:contain}.product-item-info{min-width:0}.product-item-name{font-size:.8125rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.product-item-category{font-size:.6875rem;color:var(--text-muted)}.main-content{flex:1;overflow:auto;padding:1.5rem}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);text-align:center;gap:1rem;padding:2rem}.empty-state-icon{width:120px;height:120px;background:linear-gradient(135deg,var(--primary-light) 0%,#FDE8D8 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary)}.empty-state-icon svg{width:80px;height:80px}.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.empty-state p{font-size:.875rem;max-width:340px;line-height:1.6;color:var(--text-secondary)}.empty-state-cta{display:inline-flex;align-items:center;gap:.5rem;margin-top:.5rem;padding:.625rem 1.5rem;background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--radius-lg);font-size:.875rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;box-shadow:0 4px 12px #ff66004d;transition:all .2s}.empty-state-cta:hover{transform:translateY(-1px);box-shadow:0 6px 16px #f606}.empty-state-cta svg{width:18px;height:18px}.comparison-container{display:flex;flex-direction:column;gap:.75rem}.comparison-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.comparison-toolbar-left{display:flex;align-items:center;gap:.75rem}.comparison-count{font-size:.875rem;color:var(--text-secondary)}.comparison-count strong{color:var(--primary);font-weight:700}.diff-count{font-size:.75rem;color:var(--diff-dot);background:var(--diff-bg);border:1px solid var(--diff-border);padding:.2rem .6rem;border-radius:999px;font-weight:600}.diff-toggle-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .875rem;border:1.5px solid var(--border-color);border-radius:var(--radius-md);background:#fff;color:var(--text-secondary);font-size:.8125rem;font-weight:500;font-family:var(--font-sans);cursor:pointer;transition:all .15s}.diff-toggle-btn:hover{border-color:var(--primary);color:var(--primary)}.diff-toggle-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.diff-toggle-btn svg{width:16px;height:16px}.comparison-warning{display:flex;align-items:center;gap:.625rem;padding:.625rem 1rem;background:#fffbeb;border:1px solid #FDE68A;border-radius:var(--radius-md);font-size:.8125rem;color:#92400e}.comparison-warning svg{width:20px;height:20px;flex-shrink:0;color:#f59e0b}.comparison-wrapper{overflow-x:auto;border-radius:var(--radius-xl);background:var(--surface-color);box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.comparison-table{width:100%;border-collapse:collapse;text-align:left;font-size:.8125rem}.comparison-table thead{position:sticky;top:0;z-index:10}.comparison-table th{background:var(--surface-color);border-bottom:2px solid var(--border-color);padding:1rem;font-weight:600;white-space:nowrap}.comparison-table th:first-child{position:sticky;left:0;z-index:11;background:var(--surface-color);min-width:140px}.comparison-table td:first-child{position:sticky;left:0;z-index:5;background:var(--surface-color);font-weight:500;color:var(--text-secondary);min-width:140px}.comparison-table td{padding:.75rem 1rem;border-bottom:1px solid var(--border-light);min-width:180px;vertical-align:top;transition:background .15s}.comparison-table tbody tr:hover td,.comparison-table tbody tr:hover td:first-child{background:var(--border-light)}.comparison-table tr.diff-row td{background:var(--diff-bg)}.comparison-table tr.diff-row:hover td{background:#fef3c7}.comparison-table tr.diff-row td:first-child{background:var(--diff-bg);border-left:3px solid var(--diff-dot)}.comparison-table tr.diff-row:hover td:first-child{background:#fef3c7}td .diff-indicator{display:inline-block;margin-left:.375rem;color:var(--diff-dot);font-size:.5rem;vertical-align:middle}.product-header{display:flex;flex-direction:column;align-items:center;gap:.5rem;min-width:160px;position:relative}.product-remove-btn{position:absolute;top:-.25rem;right:-.25rem;width:22px;height:22px;border-radius:50%;border:none;background:var(--border-light);color:var(--text-muted);font-size:1rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;opacity:.6}.product-remove-btn:hover{background:#fee2e2;color:#ef4444;opacity:1}.product-header-img{width:80px;height:80px;border-radius:var(--radius-md);background:var(--bg-color);overflow:hidden;display:flex;align-items:center;justify-content:center}.product-header-img img{width:100%;height:100%;object-fit:contain}.product-header-name{font-size:.8125rem;font-weight:700;color:var(--primary);text-align:center}.product-header-cat{font-size:.6875rem;color:var(--text-muted)}.spec-value{font-size:.8125rem;color:var(--text-primary)}.spec-value.na{color:var(--text-muted);font-style:italic}.no-diffs-message{text-align:center;padding:2rem;color:var(--text-secondary);font-size:.9375rem}.product-header-sku{display:flex;align-items:center;gap:.375rem;margin-top:.125rem}.sku-label{font-size:.625rem;font-weight:500;color:var(--text-muted);font-family:Courier New,monospace;background:var(--bg-color);padding:.125rem .375rem;border-radius:var(--radius-sm);letter-spacing:.02em}.sku-whatsapp{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;color:#25d366;transition:all .15s;flex-shrink:0}.sku-whatsapp:hover{color:#128c7e;transform:scale(1.15)}.sku-whatsapp svg{width:14px;height:14px}.app-footer{text-align:center;padding:1rem 1.5rem;font-size:.8125rem;color:var(--text-muted);border-top:1px solid var(--border-light);background:var(--surface-color)}.app-footer a{color:var(--primary);text-decoration:none;font-weight:600;transition:color .15s}.app-footer a:hover{color:var(--primary-hover);text-decoration:underline}.sidebar-overlay{display:none}@media(max-width:768px){.app-layout{flex-direction:column;height:auto}.mobile-menu-btn{display:flex}.sidebar{position:fixed;top:var(--header-height);left:0;bottom:0;width:85%;max-width:360px;z-index:200;transform:translate(-100%);transition:transform .3s ease;box-shadow:none;border-right:none}.sidebar.sidebar-open{transform:translate(0);box-shadow:var(--shadow-lg)}.sidebar-overlay{display:block;position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:#0006;z-index:199;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.main-content{padding:1rem;min-height:calc(100vh - var(--header-height))}.comparison-toolbar{flex-direction:column;align-items:flex-start}.empty-state-icon{width:100px;height:100px}.empty-state-icon svg{width:60px;height:60px}}.whatsapp-fab{position:fixed;bottom:1.5rem;right:1.5rem;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 16px #25d36666;z-index:300;text-decoration:none;transition:all .25s ease;animation:whatsapp-pulse 2s infinite}.whatsapp-fab:hover{transform:scale(1.1);box-shadow:0 6px 24px #25d36680;animation:none}.whatsapp-fab svg{width:28px;height:28px}.whatsapp-fab-tooltip{position:absolute;right:calc(100% + .75rem);top:50%;transform:translateY(-50%);background:var(--text-primary);color:#fff;font-size:.75rem;font-weight:500;padding:.4rem .75rem;border-radius:var(--radius-md);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s}.whatsapp-fab:hover .whatsapp-fab-tooltip{opacity:1}@keyframes whatsapp-pulse{0%{box-shadow:0 4px 16px #25d36666}50%{box-shadow:0 4px 24px #25d36699,0 0 0 8px #25d3661a}to{box-shadow:0 4px 16px #25d36666}}@media(max-width:768px){.whatsapp-fab{width:48px;height:48px;bottom:1rem;right:1rem}.whatsapp-fab svg{width:24px;height:24px}.whatsapp-fab-tooltip{display:none}}