#root{min-height:100vh}:root{--bg-primary: #fbfbfd;--bg-secondary: #ffffff;--bg-tertiary: #f5f5f7;--bg-hover: rgba(0, 0, 0, .04);--bg-active: rgba(0, 0, 0, .08);--text-primary: #1d1d1f;--text-secondary: #86868b;--text-tertiary: #a1a1a6;--accent-blue: #0071e3;--accent-blue-hover: #0077ed;--accent-green: #34c759;--border-light: rgba(0, 0, 0, .08);--border-medium: rgba(0, 0, 0, .12);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.app-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-light);padding:var(--space-md) var(--space-xl);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffc}.header-brand{display:flex;align-items:center;gap:var(--space-md);max-width:1200px;margin:0 auto}.brand-logo-image{height:40px;width:auto;object-fit:contain;display:block}.brand-text h1{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--text-primary);letter-spacing:-.02em}.brand-subtitle{font-size:13px;color:var(--text-secondary);font-weight:400}.tab-nav{background:var(--bg-secondary);border-bottom:1px solid var(--border-light);padding:0 var(--space-xl);position:sticky;top:73px;z-index:90}.tab-list{display:flex;gap:var(--space-xs);max-width:1200px;margin:0 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.tab-list::-webkit-scrollbar{display:none}.tab-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap;border-bottom:2px solid transparent;transition:all var(--transition-fast);position:relative;cursor:pointer;min-height:48px}.tab-item:hover{color:var(--text-primary);background:var(--bg-hover)}.tab-item:focus{outline:none;background:var(--bg-hover)}.tab-item:focus-visible{outline:2px solid var(--accent-blue);outline-offset:-2px;border-radius:4px}.tab-item.active{color:var(--accent-blue);border-bottom-color:var(--accent-blue)}.tab-item.active:after{content:"";position:absolute;bottom:-1px;left:50%;transform:translate(-50%);width:24px;height:3px;background:var(--accent-blue);border-radius:3px 3px 0 0}.tab-icon{font-size:16px;opacity:.7}.tab-item.active .tab-icon{opacity:1}.app-main{flex:1;padding:var(--space-xl);max-width:1200px;margin:0 auto;width:100%}.page-content{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-header{margin-bottom:var(--space-xl)}.page-header h1{font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--text-primary);letter-spacing:-.02em;margin-bottom:var(--space-xs)}.page-subtitle{font-size:16px;color:var(--text-secondary)}.content-card{background:var(--bg-secondary);border-radius:16px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);padding:var(--space-2xl);min-height:0}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--space-lg)}.product-card{background:var(--bg-tertiary);border-radius:12px;padding:var(--space-lg);transition:all var(--transition-fast);cursor:pointer;border:1px solid transparent}.product-card:hover{background:var(--bg-hover);transform:translateY(-2px);border-color:var(--border-medium)}.product-card:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #0071e31a}.product-card:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.product-card .product-category{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-blue);margin-bottom:var(--space-sm);font-weight:600}.product-card h3{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.product-card .product-sku{font-size:12px;color:var(--text-tertiary);margin-bottom:var(--space-sm)}.product-card .product-price{font-size:18px;font-weight:600;color:var(--text-primary)}.quote-builder{display:flex;flex-direction:column;gap:var(--space-xl)}.quote-section{background:var(--bg-secondary);border-radius:16px;padding:var(--space-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.quote-section h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-lg)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-lg)}.section-header h3{margin-bottom:0}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md)}@media(max-width:600px){.form-grid{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}.form-group input{padding:12px 14px;border:1px solid var(--border-medium);border-radius:10px;font-size:15px;font-family:var(--font-body);background:var(--bg-primary);transition:all var(--transition-fast);color:var(--text-primary)}.form-group input::placeholder{color:var(--text-tertiary)}.form-group input:hover{border-color:var(--text-tertiary)}.form-group input:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #0071e31a}.line-items-table{width:100%;border-collapse:collapse}.line-items-table th{text-align:left;padding:var(--space-sm) var(--space-md);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);border-bottom:1px solid var(--border-light)}.line-items-table td{padding:var(--space-md);border-bottom:1px solid var(--border-light);vertical-align:middle}.line-items-table .product-name{font-weight:500;color:var(--text-primary)}.line-items-table .product-category-tag{font-size:11px;color:var(--text-tertiary);margin-top:2px}.line-items-table .sku{font-size:13px;color:var(--text-tertiary);font-family:monospace}.line-items-table .line-total{font-weight:600;color:var(--text-primary)}.quantity-control{display:flex;align-items:center;gap:var(--space-sm);background:var(--bg-tertiary);border-radius:8px;padding:4px}.quantity-control button{width:28px;height:28px;border:none;background:var(--bg-secondary);border-radius:6px;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);color:var(--text-primary)}.quantity-control button:hover{background:var(--accent-blue);color:#fff}.quantity-control button:focus{outline:none;box-shadow:0 0 0 2px var(--accent-blue)}.quantity-control button:active{transform:scale(.95)}.quantity-control span{min-width:24px;text-align:center;font-weight:500}.btn-remove{width:28px;height:28px;border:none;background:transparent;color:var(--text-tertiary);font-size:20px;cursor:pointer;border-radius:6px;transition:all var(--transition-fast)}.btn-remove:hover{background:#ff3b30;color:#fff}.empty-line-items{padding:var(--space-2xl);text-align:center;color:var(--text-tertiary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);text-align:center;min-height:300px}.empty-state .empty-icon{font-size:48px;margin-bottom:var(--space-md);opacity:.8}.empty-state h3{font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.empty-state p{font-size:15px;color:var(--text-secondary);max-width:300px}.discount-section{display:flex;align-items:center;gap:var(--space-md)}.discount-section label{font-size:14px;font-weight:500;color:var(--text-secondary)}.discount-input{width:100px;padding:10px 14px;border:1px solid var(--border-medium);border-radius:10px;font-size:15px;font-family:var(--font-body);background:var(--bg-primary);transition:all var(--transition-fast)}.discount-input:hover{border-color:var(--text-tertiary)}.discount-input:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #0071e31a}.quote-summary{background:var(--bg-tertiary);border-radius:12px;padding:var(--space-lg)}.validation-error{background:#fff0f0;border:1px solid #ff3b30;color:#ff3b30;padding:var(--space-md);border-radius:10px;font-size:14px;margin-bottom:var(--space-md);animation:shake .4s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.summary-row{display:flex;justify-content:space-between;padding:var(--space-sm) 0;font-size:15px;color:var(--text-secondary)}.summary-row.discount{color:var(--accent-green)}.summary-row.total{font-size:20px;font-weight:600;color:var(--text-primary);border-top:1px solid var(--border-medium);margin-top:var(--space-sm);padding-top:var(--space-md)}.quote-builder-actions{display:flex;justify-content:flex-end;gap:var(--space-md)}.btn{padding:12px 24px;border-radius:10px;font-size:15px;font-weight:500;font-family:var(--font-body);cursor:pointer;transition:all var(--transition-fast);border:none}.btn:focus{outline:none;box-shadow:0 0 0 3px #0071e34d}.btn:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-primary{background:var(--accent-blue);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-blue-hover);transform:translateY(-1px);box-shadow:0 4px 12px #0071e34d}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:focus{outline:none;box-shadow:0 0 0 3px #0071e34d}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-medium)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--text-primary);background:var(--bg-hover)}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-secondary);border-radius:16px;width:90%;max-width:600px;max-height:80vh;overflow:hidden;box-shadow:var(--shadow-lg);animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-lg);border-bottom:1px solid var(--border-light)}.modal-header h3{font-family:var(--font-display);font-size:20px;font-weight:600}.btn-close{width:32px;height:32px;border:none;background:var(--bg-tertiary);border-radius:50%;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition-fast)}.btn-close:hover{background:var(--bg-active);color:var(--text-primary)}.btn-close:focus{outline:none;box-shadow:0 0 0 3px #0071e34d}.btn-close:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.product-picker-list{max-height:60vh;overflow-y:auto}.product-picker-item{display:grid;grid-template-columns:1fr auto auto;gap:var(--space-md);align-items:center;padding:var(--space-md) var(--space-lg);cursor:pointer;transition:all var(--transition-fast);border-bottom:1px solid var(--border-light)}.product-picker-item:hover{background:var(--bg-hover)}.product-picker-item:focus{outline:none;background:var(--bg-hover)}.product-picker-item:focus-visible{outline:2px solid var(--accent-blue);outline-offset:-2px}.product-picker-item.keyboard-focused{background:var(--bg-hover);border-left:3px solid var(--accent-blue)}.product-picker-name{font-weight:500;color:var(--text-primary)}.product-picker-sku{font-size:12px;color:var(--text-tertiary)}.product-picker-category{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-blue);background:#0071e31a;padding:4px 8px;border-radius:4px}.product-picker-price{font-weight:600;color:var(--text-primary)}.quote-document{max-width:800px;margin:0 auto}.quote-header{display:flex;align-items:center;gap:var(--space-lg);margin-bottom:var(--space-2xl);padding-bottom:var(--space-lg);border-bottom:2px solid var(--accent-blue)}.quote-logo{width:60px;height:60px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:28px}.quote-info h2{font-family:var(--font-display);font-size:24px;font-weight:600;color:var(--text-primary)}.quote-info p{font-size:14px;color:var(--text-secondary)}.quote-customer{margin-bottom:var(--space-xl)}.quote-customer h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:var(--space-sm)}.quote-customer p{margin:2px 0;color:var(--text-primary)}.quote-table{width:100%;border-collapse:collapse;margin-bottom:var(--space-xl)}.quote-table th{text-align:left;padding:var(--space-sm) var(--space-md);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);border-bottom:1px solid var(--border-medium);background:var(--bg-tertiary)}.quote-table td{padding:var(--space-md);border-bottom:1px solid var(--border-light)}.quote-table tr:last-child td{border-bottom:none}.quote-totals{border-top:2px solid var(--border-medium);padding-top:var(--space-lg);margin-bottom:var(--space-xl)}.quote-total-row{display:flex;justify-content:space-between;padding:var(--space-sm) 0;font-size:15px}.quote-total-row.discount{color:var(--accent-green)}.quote-total-row.grand-total{font-size:22px;font-weight:700;color:var(--text-primary);border-top:1px solid var(--border-medium);margin-top:var(--space-md);padding-top:var(--space-md)}.quote-actions{display:flex;justify-content:flex-end;gap:var(--space-md)}@media(max-width:768px){.app-header{padding:var(--space-md)}.header-brand{gap:var(--space-sm)}.brand-logo{width:36px;height:36px;font-size:18px}.brand-text h1{font-size:18px}.brand-subtitle{font-size:12px}.tab-nav{padding:0 var(--space-md);top:65px}.app-main{padding:var(--space-md)}.tab-label{display:none}.tab-item{padding:var(--space-sm) var(--space-md);justify-content:center;min-height:44px;min-width:48px}.tab-icon{font-size:20px}.tab-item.active{background:#0071e314;border-radius:8px}.tab-item.active:after{display:none}.page-header h1{font-size:24px}.page-header{margin-bottom:var(--space-lg)}.content-card{padding:var(--space-lg)}.product-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.quote-builder{gap:var(--space-lg)}.form-grid{grid-template-columns:1fr}.line-items-table{display:block;overflow-x:auto}.quote-builder-actions{flex-direction:column}.quote-builder-actions .btn{width:100%}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.filter-row{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:center}.filter-row-top{margin-top:var(--space-md)}.filter-search{flex:1;min-width:200px}.search-input{width:100%;padding:12px 16px;border:1px solid var(--border-medium);border-radius:10px;font-size:15px;font-family:var(--font-body);background:var(--bg-primary);transition:all var(--transition-fast)}.search-input:hover{border-color:var(--text-tertiary)}.search-input:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #0071e31a}.filter-group{display:flex;gap:var(--space-sm);flex-wrap:wrap}.filter-select{padding:12px 16px;border:1px solid var(--border-medium);border-radius:10px;font-size:14px;font-family:var(--font-body);background:var(--bg-secondary);cursor:pointer;min-width:150px;transition:all var(--transition-fast)}.filter-select:hover{border-color:var(--text-tertiary)}.filter-select:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #0071e31a}.product-card{cursor:pointer;transition:all var(--transition-normal)}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.product-card:focus{outline:none;box-shadow:0 0 0 3px #0071e34d}.product-card .product-brand{font-size:12px;color:var(--text-tertiary);margin-top:2px}.product-card .product-price{margin-top:var(--space-sm)}.price-quote{font-size:12px;color:var(--accent-blue);background:#0071e31a;padding:4px 8px;border-radius:4px}.product-detail{max-width:800px;margin:0 auto}.product-detail-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--border-light)}.product-detail-category{display:inline-block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-blue);background:#0071e31a;padding:4px 10px;border-radius:4px;margin-bottom:var(--space-sm)}.product-detail-header h1{font-family:var(--font-display);font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.product-detail-sku{font-size:14px;color:var(--text-secondary);font-family:monospace}.product-detail-brand{font-size:14px;color:var(--text-secondary);margin-top:4px}.product-detail-price{font-size:32px;font-weight:700;color:var(--text-primary)}.product-detail-description{margin-bottom:var(--space-xl)}.product-detail-description h3{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.product-detail-description p{font-size:15px;color:var(--text-secondary);line-height:1.7}.product-detail-specs{margin-bottom:var(--space-xl)}.product-detail-specs h3{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md)}.product-detail-specs table{width:100%;border-collapse:collapse}.product-detail-specs td{padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border-light)}.product-detail-specs .spec-key{font-weight:500;color:var(--text-secondary);width:40%;font-size:14px}.product-detail-specs .spec-value{color:var(--text-primary);font-size:14px}.product-detail-source{margin-bottom:var(--space-lg)}.product-detail-source h3{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.product-detail-source a{color:var(--accent-blue);text-decoration:none;font-size:14px}.product-detail-source a:hover{text-decoration:underline}.product-detail-footer-actions{margin-top:18px;display:flex;justify-content:flex-end}.modal-search{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border-light)}.modal-content-large{max-width:800px}.product-picker-item{grid-template-columns:1fr auto auto auto}.product-picker-brand{font-size:12px;color:var(--text-tertiary);text-align:right}.page-header .btn-ghost{margin-bottom:var(--space-md);padding:8px 16px}.page-subtitle{font-size:15px;color:var(--text-secondary);margin-top:var(--space-xs)}.brand-quick-filter{margin-bottom:var(--space-lg)}.brand-quick-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.brand-quick-header h3{font-size:15px;font-weight:600;letter-spacing:.01em}.brand-chip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.brand-chip{border:1px solid var(--border-light);border-radius:12px;background:#fff;padding:14px 10px;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer}.brand-chip:hover{border-color:var(--accent-blue);transform:translateY(-1px)}.brand-chip.active{border-color:var(--accent-blue);box-shadow:0 0 0 2px #007aff1f}.brand-chip-logo{min-height:26px;display:flex;align-items:center;justify-content:center}.brand-chip-logo-img{max-width:92px;max-height:24px;object-fit:contain}.brand-chip-logo-fallback{display:none;font-weight:700;font-size:18px;line-height:1;color:#1f2937;letter-spacing:.02em}.brand-chip-name{font-size:13px;color:var(--text-secondary);text-align:center}.product-actions-row{display:flex;gap:10px;margin:18px 0;flex-wrap:wrap}.btn-danger{background:#b42318;color:#fff;border:1px solid #912018}.btn-danger:hover{background:#912018}.product-edit-form{margin-top:10px}.product-edit-form .form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.product-edit-form input,.product-edit-form textarea{width:100%;border:1px solid var(--line, #d0d7de);border-radius:8px;padding:10px 12px;font:inherit;background:#fff}