: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}.app-footer{display:flex;justify-content:center;align-items:center;padding:16px 24px;background:var(--bg-secondary);border-top:1px solid var(--border-color)}.app-footer .footer-link{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text-muted);font-size:.875rem;transition:color .2s}.app-footer .footer-link:hover{color:var(--text-primary)}.app-footer .footer-logo{height:20px;width:auto}.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 select{padding:12px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--border-radius);color:var(--text-primary);font-size:1rem}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color)}.login-button{padding:14px;background:var(--primary-color);border:none;border-radius:var(--border-radius);color:#fff;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s}.login-button:hover:not(:disabled){background:var(--primary-hover)}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-footer{margin-top:24px;text-align:center}.lang-switch{padding:8px 16px;background:transparent;border:1px solid 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}.header-actions{display:flex;gap:12px}.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}.delete-button:disabled,.reimport-button:disabled{opacity:.4;cursor:not-allowed}.catalog-actions{display:flex;gap:4px;align-items:center}.reimport-button{padding:6px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;border-radius:4px;transition:all .2s}.reimport-button:hover{color:var(--primary-color);background:#3b82f61a}.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 .2s}.quick-action-card:hover{border-color:var(--primary-color);transform:translateY(-2px)}.search-page-content{display:flex;gap:24px}.sidebar,.search-filters{width:var(--sidebar-width);flex-shrink:0;position:sticky;top:calc(var(--header-height) + 24px);max-height:calc(100vh - var(--header-height) - 48px);overflow-y:auto;align-self:flex-start}.browse-content,.search-main{flex:1;min-width:0}.sidebar-section{margin-bottom:24px}.sidebar-title,.filter-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:12px}.sidebar-list,.filter-list{list-style:none;padding:0;margin:0}.sidebar-item,.filter-item{display:flex;justify-content:space-between;align-items:center;width:100%;padding:8px 12px;background:transparent;border:none;border-radius:4px;color:var(--text-secondary);cursor:pointer;text-align:left;transition:all .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 12px #0000001a;transform:translateY(-2px)}.item-card-image{width:100%;height:150px;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;overflow:hidden}.item-card-image 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6px;border-radius:4px;font-size:.7rem}.catalog-upload{margin-bottom:24px;padding:24px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius)}.upload-form{display:flex;flex-direction:column;gap:20px}.dropzone{padding:48px;border:2px dashed var(--border-color);border-radius:var(--border-radius);text-align:center;cursor:pointer;transition:all .2s}.dropzone:hover,.dropzone.active{border-color:var(--primary-color);background:#3b82f60d}.dropzone.has-file{border-style:solid;border-color:var(--success-color)}.dropzone-content{color:var(--text-secondary)}.dropzone-content svg{margin-bottom:16px}.file-info{color:var(--text-primary)}.file-info 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 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.pdf-list{margin-top:8px;font-size:.875rem}.preview-summary{display:flex;gap:24px;justify-content:center;padding:12px;background:var(--bg-secondary);border-radius:var(--border-radius);margin-bottom:16px}.summary-item{font-size:.9375rem}.summary-item.skipped{color:var(--warning-color)}.preview-list{max-height:400px;overflow-y:auto;border:1px solid var(--border-color);border-radius:var(--border-radius);margin-bottom:16px}.preview-table{width:100%;border-collapse:collapse}.preview-table th{position:sticky;top:0;background:var(--bg-secondary);padding:12px;text-align:left;font-weight:500;font-size:.875rem;border-bottom:1px solid var(--border-color)}.preview-table td{padding:10px 12px;border-bottom:1px solid var(--border-color);vertical-align:middle}.preview-row:last-child td{border-bottom:none}.filename-cell{min-width:200px}.filename-cell .filename{display:block;font-weight:500;margin-bottom:2px}.filename-cell .filesize{font-size:.75rem;color:var(--text-secondary)}.supplier-cell{min-width:250px}.supplier-input{width:100%;padding:6px 10px;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:.875rem;margin-bottom:6px}.supplier-input:focus{outline:none;border-color:var(--primary-color)}.supplier-select{width:100%;padding:4px 8px;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:.8125rem;background:var(--bg-primary);color:var(--text-secondary)}.status-cell{width:100px;text-align:center}.badge{display:inline-block;padding:3px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.badge-new{background:#3b82f626;color:var(--primary-color)}.badge-existing{background:#05966926;color:var(--success-color)}.duplicates-section{margin-bottom:16px;padding:12px;background:#f59e0b1a;border:1px solid var(--warning-color);border-radius:var(--border-radius)}.duplicates-section h4{margin:0 0 8px;font-size:.875rem;color:var(--warning-color)}.duplicates-list{margin:0;padding:0;list-style:none}.duplicates-list li{display:flex;gap:8px;padding:4px 0;font-size:.875rem}.dup-filename{font-weight:500}.dup-note{color:var(--text-secondary)}.status-queued{background-color:#6b728026;color:#6b7280}.supplier-select-row{display:flex;gap:8px}.supplier-select-row select{flex:1}.new-supplier-form{margin-top:12px;padding:16px;background:var(--bg-tertiary);border-radius:var(--border-radius);display:flex;flex-direction:column;gap:12px}.new-supplier-form input{padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:.9375rem;background:var(--bg-secondary);color:var(--text-primary)}.new-supplier-form input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.new-supplier-actions{display:flex;justify-content:flex-end;gap:8px}.primary-button.small,.secondary-button.small{padding:6px 12px;font-size:.875rem}.catalog-progress{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:24px;margin-bottom:24px}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.progress-header h3{margin:0;font-size:1.125rem;color:var(--text-primary)}.phase-indicator{margin-bottom:12px;padding:8px 12px;background:#dbeafe;border-radius:6px}.phase-indicator .phase-label{color:var(--primary-color);font-size:.875rem;font-weight:500}.progress-header-actions{display:flex;align-items:center;gap:8px}.cancel-button,.restart-button{padding:6px;border:none;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 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.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 rgba(0,0,0,.3)}.current-item{display:flex;align-items:center;gap:8px;padding:12px;background:var(--bg-tertiary);border-radius:var(--border-radius);margin-bottom:16px}.current-item-label{font-size:.875rem;color:var(--text-muted)}.current-item-name{font-weight:500;color:var(--text-primary)}.current-item.computing-similar{background:#8b5cf61a}.current-item.computing-similar .current-item-label{color:#8b5cf6}.progress-error{padding:12px;background:#ef44441a;border:1px solid var(--error-color);border-radius:var(--border-radius);color:var(--error-color);margin-bottom:16px}.progress-complete{display:flex;align-items:center;gap:12px;padding:16px;background:#10b9811a;border:1px solid var(--success-color);border-radius:var(--border-radius);color:var(--success-color)}.extracted-items{margin-top:20px}.extracted-items h4{font-size:.875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin:0 0 12px}.items-scroll-container{max-height:300px;overflow-y:auto;border:1px solid var(--border-color);border-radius:var(--border-radius)}.extracted-item{display:flex;align-items:center;gap:16px;padding:12px 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 8px;border-radius:4px;font-size:.75rem;font-weight:500}.status-pending{background:#f59e0b1a;color:#f59e0b}.status-processing{background:#3b82f61a;color:#3b82f6}.status-computing_similar{background:#8b5cf61a;color:#8b5cf6}.status-completed{background:#10b9811a;color:#10b981}.status-failed{background:#ef44441a;color:#ef4444}.progress-bar{position:relative;height:8px;background:var(--bg-tertiary);border-radius:4px;overflow:hidden;min-width:100px}.progress-fill{position:absolute;top:0;left:0;height:100%;background:var(--primary-color);transition:width .3s}.progress-text{position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:.625rem;font-weight:600}.modal-overlay,.pdf-viewer-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px}.modal-content{position:relative;background:var(--bg-card);border:1px solid 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768px){.projects-grid{grid-template-columns:1fr}.project-detail-content{flex-direction:column}.project-files-sidebar{width:100%;max-height:300px}.chat-message{max-width:95%}.chat-products-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}*{box-sizing:border-box;margin:0;padding:0}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#1e293b;background-color:#f8fafc;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{height:100%}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit}img{max-width:100%;height:auto}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f5f9}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}::selection{background:#2563eb33;color:#1e293b}