:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #6b7280;--success-color: #059669;--warning-color: #d97706;--error-color: #dc2626;--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #94a3b8;--border-color: #e2e8f0;--border-radius: 8px;--header-height: 64px;--sidebar-width: 260px}.app-layout{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:24px;margin-top:var(--header-height)}.app-loading{display:flex;align-items:center;justify-content:center;min-height:100vh}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);box-shadow:0 1px 3px #0000001a;display:flex;align-items:center;padding:0 24px;z-index:100}.header-left{display:flex;align-items:center}.logo-link{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-primary)}.logo{height:36px;width:auto}.logo-text{font-size:1.25rem;font-weight:600}.header-center{flex:1;display:flex;justify-content:center;padding:0 24px}.header-right{display:flex;align-items:center;gap:16px}.nav-links{display:flex;gap:8px}.nav-link{padding:8px 16px;border-radius:var(--border-radius);text-decoration:none;color:var(--text-secondary);transition:all .2s}.nav-link:hover{color:var(--text-primary);background:var(--bg-tertiary)}.lang-toggle{padding:6px 12px;border-radius:var(--border-radius);background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.lang-toggle:hover{border-color:var(--primary-color)}.user-menu{position:relative}.user-button{display:flex;align-items:center;gap:8px;padding:4px 8px;background:transparent;border:none;color:var(--text-primary);cursor:pointer;border-radius:var(--border-radius)}.user-button:hover{background:var(--bg-tertiary)}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-color);display:flex;align-items:center;justify-content:center;font-weight:600}.user-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:8px;min-width:150px}.user-dropdown button{width:100%;padding:8px 12px;background:transparent;border:none;color:var(--text-primary);text-align:left;cursor:pointer;border-radius:4px}.user-dropdown button:hover{background:var(--bg-tertiary)}.search-bar-container{position:relative;width:100%;max-width:500px}.search-form{display:flex;align-items:center;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius);overflow:hidden}.search-input{flex:1;padding:10px 16px;background:transparent;border:none;color:var(--text-primary);font-size:.9375rem}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{outline:none}.search-button,.image-search-button{padding:10px 12px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:color .2s}.search-button:hover,.image-search-button:hover{color:var(--text-primary)}.image-upload-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:8px}.upload-image-btn{display:flex;align-items:center;gap:8px;padding:12px 16px;background:transparent;border:none;color:var(--text-primary);cursor:pointer;border-radius:4px;white-space:nowrap}.upload-image-btn:hover{background:var(--bg-tertiary)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.login-container{width:100%;max-width:400px;padding:32px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px}.login-header{text-align:center;margin-bottom:32px}.login-logo{height:60px;margin-bottom:16px}.login-header h1{font-size:1.5rem;font-weight:600;color:var(--text-primary)}.login-form{display:flex;flex-direction:column;gap:20px}.login-error{padding:12px;background:#ef44441a;border:1px solid var(--error-color);border-radius:var(--border-radius);color:var(--error-color);font-size:.875rem}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.875rem;color:var(--text-secondary)}.form-group input,.form-group 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var(--border-color);border-radius:var(--border-radius);color:var(--text-secondary);cursor:pointer}.lang-switch:hover{border-color:var(--primary-color);color:var(--text-primary)}.page-title{font-size:1.5rem;font-weight:600;margin-bottom:24px;color:var(--text-primary)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.primary-button{padding:10px 20px;background:var(--primary-color);border:none;border-radius:var(--border-radius);color:#fff;font-size:.9375rem;font-weight:500;cursor:pointer;transition:background .2s}.primary-button:hover:not(:disabled){background:var(--primary-hover)}.primary-button:disabled{opacity:.6;cursor:not-allowed}.secondary-button{padding:10px 20px;background:transparent;border:1px solid var(--border-color);border-radius:var(--border-radius);color:var(--text-primary);font-size:.9375rem;cursor:pointer;transition:all .2s}.secondary-button:hover{border-color:var(--primary-color)}.delete-button{padding:6px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;border-radius:4px;transition:all .2s}.delete-button:hover{color:var(--error-color);background:#ef44441a}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:32px}.stat-card{display:flex;align-items:center;gap:16px;padding:20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);transition:all .2s ease}.stat-card.clickable{cursor:pointer;text-decoration:none}.stat-card.clickable:hover{border-color:var(--primary-color);box-shadow:0 4px 12px #00000014;transform:translateY(-2px)}.stat-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:12px}.stat-icon.catalogs-icon{background:#3b82f61a;color:#3b82f6}.stat-icon.items-icon{background:#10b9811a;color:#10b981}.stat-icon.suppliers-icon{background:#f59e0b1a;color:#f59e0b}.stat-icon.processing-icon{background:#8b5cf61a;color:#8b5cf6}.stat-content{display:flex;flex-direction:column}.stat-value{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.stat-label{font-size:.875rem;color:var(--text-secondary)}.dashboard-section h2{font-size:1.125rem;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.quick-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.quick-action-card{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);text-decoration:none;color:var(--text-primary);transition:all 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.2s}.sidebar-item:hover,.filter-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-item.active,.filter-item.active{background:var(--primary-color);color:#fff}.category-count,.supplier-count,.filter-count{font-size:.75rem;padding:2px 6px;background:var(--bg-tertiary);border-radius:10px}.clear-filters-btn{width:100%;padding:10px;margin-top:16px;background:transparent;border:1px solid var(--border-color);border-radius:var(--border-radius);color:var(--text-secondary);cursor:pointer}.clear-filters-btn:hover{border-color:var(--primary-color);color:var(--text-primary)}.item-grid,.search-results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.item-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:0 1px 3px #00000014;cursor:pointer;transition:all .2s;overflow:hidden;display:flex;flex-direction:column}.item-card:hover{border-color:var(--primary-color);box-shadow:0 4px 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svg{color:var(--success-color);margin-bottom:12px}.file-name{font-weight:500;margin-bottom:4px}.file-size{font-size:.875rem;color:var(--text-secondary)}.upload-actions{display:flex;justify-content:flex-end;gap:12px}.upload-error{padding:12px;background:#ef44441a;border:1px solid var(--error-color);border-radius:var(--border-radius);color:var(--error-color)}.dropzone.uploading{pointer-events:none;border-color:var(--primary-color)}.upload-progress{width:100%;padding:20px}.upload-progress-bar{width:100%;height:12px;background:var(--bg-tertiary);border-radius:6px;overflow:hidden;margin-bottom:12px}.upload-progress-fill{height:100%;background:var(--primary-color);transition:width .3s}.upload-progress-text{text-align:center;color:var(--text-secondary);margin:0}.supplier-select-row{display:flex;gap:8px}.supplier-select-row 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h3{margin:0;font-size:1.125rem;color:var(--text-primary)}.progress-stats{display:flex;gap:32px;margin-bottom:16px}.progress-stats .stat{display:flex;flex-direction:column}.progress-stats .stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.progress-stats .stat-value{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.progress-bar-large{position:relative;height:24px;background:var(--bg-tertiary);border-radius:12px;overflow:hidden;margin-bottom:16px}.progress-bar-large .progress-fill{position:absolute;top:0;left:0;height:100%;background:linear-gradient(90deg,var(--primary-color),#60a5fa);transition:width .5s ease-out}.progress-bar-large .progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.875rem;font-weight:600;color:#fff;text-shadow:0 1px 2px 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16px;border-bottom:1px solid var(--border-color)}.extracted-item:last-child{border-bottom:none}.extracted-item-page{font-size:.75rem;font-weight:600;color:var(--text-muted);background:var(--bg-tertiary);padding:4px 8px;border-radius:4px;white-space:nowrap}.extracted-item-info{flex:1;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.extracted-item-name{font-weight:500;color:var(--text-primary)}.extracted-item-number{font-size:.75rem;font-family:monospace;color:var(--text-muted)}.extracted-item-category{font-size:.75rem;color:var(--text-secondary);padding:2px 6px;background:var(--bg-tertiary);border-radius:4px}.processing-catalogs{margin-bottom:32px}.processing-catalogs h2,.completed-catalogs h2{font-size:1.125rem;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.catalogs-table,.suppliers-table{width:100%;border-collapse:collapse;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);overflow:hidden}.catalogs-table th,.catalogs-table td,.suppliers-table th,.suppliers-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}.catalogs-table th,.suppliers-table th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg-tertiary)}.catalogs-table td,.suppliers-table td{color:var(--text-primary)}.catalog-name{display:flex;align-items:center;gap:8px}.catalog-name svg{color:var(--text-secondary)}.status-badge{display:inline-block;padding:4px 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var(--border-color);border-radius:12px;max-width:900px;max-height:90vh;width:100%;overflow-y:auto}.item-detail-modal{padding:24px}.modal-close{position:absolute;top:16px;right:16px;padding:8px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;border-radius:4px}.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.item-detail-header{margin-bottom:24px;padding-right:48px}.item-detail-header h2{font-size:1.5rem;margin:0 0 8px}.item-detail-header .catalog-number{font-family:monospace;color:var(--text-muted)}.item-detail-body{display:flex;flex-direction:column;gap:24px}.item-gallery{display:flex;flex-direction:column;gap:12px;padding-bottom:24px;border-bottom:1px solid var(--border-color)}.gallery-main{display:flex;justify-content:center;align-items:center;background:var(--bg-tertiary);border-radius:var(--border-radius);overflow:hidden;min-height:200px;max-height:350px}.gallery-main-image{max-width:100%;max-height:350px;object-fit:contain}.gallery-thumbnails{display:flex;gap:8px;overflow-x:auto;padding:4px 0}.gallery-thumbnail{flex-shrink:0;width:64px;height:64px;padding:0;border:2px solid var(--border-color);border-radius:6px;background:var(--bg-tertiary);cursor:pointer;overflow:hidden;transition:border-color .2s}.gallery-thumbnail:hover{border-color:var(--text-muted)}.gallery-thumbnail.active{border-color:var(--primary-color)}.gallery-thumbnail img{width:100%;height:100%;object-fit:cover}.item-detail-content{display:grid;grid-template-columns:1fr 280px;gap:24px}.detail-section{margin-bottom:20px}.detail-section h3{font-size:.875rem;font-weight:600;color:var(--text-muted);margin:0 0 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