body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f0f2f5;overflow-x:auto}#root{width:100%;min-height:100vh;overflow-x:auto}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{box-sizing:border-box}.chat-container{width:100%;height:100%;display:flex;flex-direction:row;background:#f0f2f5;overflow:hidden}.thumbnail-panel{flex:1 1 50%;min-width:0;background:#fff;border-right:1px solid #e5e5e5;display:flex;flex-direction:column;height:100%;overflow:hidden}.thumbnail-header{padding:16px 24px;border-bottom:1px solid #e5e5e5;background:#f8f9fa;font-weight:600;color:#2d3748;flex-shrink:0;min-height:57px;display:flex;align-items:center}.thumbnail-content{flex:1;padding:0 .5rem .5rem;overflow-y:auto;overflow-x:hidden;display:block;scrollbar-width:thin;scrollbar-color:#cbd5e0 #f7fafc;margin-top:0!important}.thumbnail-content::-webkit-scrollbar{width:8px}.thumbnail-content::-webkit-scrollbar-track{background:#f7fafc;border-radius:4px}.thumbnail-content::-webkit-scrollbar-thumb{background-color:#cbd5e0;border-radius:4px;border:2px solid #f7fafc}.thumbnail-content::-webkit-scrollbar-thumb:hover{background-color:#a0aec0}.source-item{border:1px solid #e2e8f0;border-radius:8px;overflow:hidden;background:#fff;margin-bottom:1rem;margin-top:0;min-height:auto}.source-header{padding:.75rem 1rem;background:#f8f9fa;border-bottom:1px solid #e2e8f0}.file-name{font-weight:600;color:#2d3748;font-size:.875rem}.page-info{font-weight:400;color:#718096}.source-content{display:flex;flex-direction:column;gap:1rem;padding:1rem}.thumbnail-placeholder{position:absolute;top:0;left:0;width:100%;min-height:200px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);display:flex;align-items:center;justify-content:center;border:2px dashed #dee2e6}.content-preview{flex:1;min-height:0;overflow:visible}.content-text{color:#4a5568;font-size:.875rem;line-height:1.5;word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;max-height:none;overflow:visible}.thumbnail-placeholder{position:absolute;top:0;left:0;width:100%;height:200px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);display:flex;align-items:center;justify-content:center;border:2px dashed #dee2e6}.placeholder-content{text-align:center;color:#6c757d}.placeholder-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.placeholder-text{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:#495057}.placeholder-subtext{font-size:.875rem;margin-bottom:.5rem;color:#6c757d}.placeholder-note{font-size:.75rem;color:#adb5bd;font-style:italic}.thumbnail-info{padding:.75rem;border-top:1px solid #e2e8f0;font-size:.875rem;color:#4a5568}.chat-panel{flex:1 1 50%;min-width:0;display:flex;flex-direction:column;overflow:hidden;height:100%}.chat-header{background:#f8f9fa;border-bottom:1px solid #e2e8f0;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.chat-header-title{font-size:1.25rem;font-weight:600;color:#2d3748}.chat-header-controls{display:flex;gap:1rem;align-items:center}.thread-control{display:flex;align-items:center}.thread-control .config-label{font-size:.875rem;font-weight:500;color:#374151;display:flex;align-items:center;gap:.5rem}.thread-control .config-input{padding:.375rem .5rem;border:1px solid #d1d5db;border-radius:6px;font-size:.875rem;background:#fff;width:120px}.chat-actions{display:flex;gap:.5rem}.action-button{padding:.5rem 1rem;border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:.875rem;transition:all .2s ease}.action-button.search{background:#10b981;color:#fff}.action-button.search:hover:not(:disabled){background:#059669}.action-button.clear-history{background:#f59e0b;color:#fff}.action-button.clear-history:hover:not(:disabled){background:#d97706}.chat-messages{flex:1;overflow-y:auto;padding:2rem 0;display:flex;flex-direction:column;background:#f7f7f8}.message-wrapper{width:100%;padding:0 2rem;margin-bottom:2rem}.message{max-width:48rem;margin:0 auto;padding:1.5rem;border-radius:12px;word-wrap:break-word;line-height:1.8;font-size:1rem;text-align:left}.message.user{background:#f1f3f4;color:#2d3748;border:1px solid #e2e8f0}.message.bot{background:#fff;color:#2d3748;border:1px solid #e2e8f0;box-shadow:0 1px 3px #0000001a}.download-pdf-button{background:transparent;border:none;cursor:pointer;font-size:18px;padding:4px 8px;opacity:.7;transition:all .2s ease;border-radius:6px;display:flex;align-items:center;justify-content:center}.download-pdf-button:hover:not(:disabled){opacity:1;background:#3b82f61a;transform:scale(1.1)}.download-pdf-button:active:not(:disabled){transform:scale(.95)}.download-pdf-button:disabled{opacity:.5;cursor:wait}.message.system{background:#edf2f7;color:#4a5568;font-style:italic;text-align:center;font-size:.875rem}.chat-input-container{padding:1.5rem 2rem 2rem;background:#fff;border-top:1px solid #e5e5e5}.chat-input-wrapper{max-width:48rem;margin:0 auto;position:relative}.chat-input-form{display:flex;gap:.75rem;align-items:flex-end}.chat-input{flex:1;padding:1rem 1.25rem;border:1px solid #d1d5db;border-radius:12px;outline:none;font-size:1rem;resize:none;min-height:3rem;max-height:8rem;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}.chat-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.dimmed-placeholder::placeholder{color:#cbd5e0;opacity:1}.dimmed-placeholder::-webkit-input-placeholder{color:#cbd5e0;opacity:1}.dimmed-placeholder::-moz-placeholder{color:#cbd5e0;opacity:1}.dimmed-placeholder:-ms-input-placeholder{color:#cbd5e0;opacity:1}.send-button{padding:.75rem 1rem;background:#3b82f6;color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:500;transition:background-color .2s ease;min-width:4rem;height:3rem;display:flex;align-items:center;justify-content:center}.send-button:hover:not(:disabled){background:#2563eb}.send-button:disabled{background:#9ca3af;cursor:not-allowed}.loading{text-align:center;color:#374151;font-style:italic;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;background:linear-gradient(135deg,#f3f4f6,#e5e7eb);border-radius:12px;border:1px solid #d1d5db;box-shadow:0 2px 4px #0000001a;margin:0 .5rem .5rem;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 2px 4px #0000001a}50%{transform:scale(1.02);box-shadow:0 4px 8px #00000026}}.thinking-icon{width:1.25rem;height:1.25rem;border:2px solid #d1d5db;border-top:2px solid #3b82f6;border-radius:50%;animation:rotate 1s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.thinking-text{color:#374151;font-weight:600;font-size:1rem}.thinking-dots{color:#3b82f6;font-weight:700;min-width:2rem;text-align:left;font-size:1.2rem}.error{color:#dc2626}.sidebar-menu .ant-menu-item{height:50px!important;line-height:50px!important;font-size:16px!important;font-weight:500!important;margin-bottom:4px!important;padding-left:24px!important}.sidebar-menu .ant-menu-item .ant-menu-item-icon{font-size:20px!important;margin-right:12px!important}.sidebar-menu .ant-menu-item-selected{background-color:#e6f7ff!important;border-right:3px solid #1890ff!important}.sidebar-menu .ant-menu-item:hover{background-color:#f5f5f5!important}.ant-menu-inline-collapsed .sidebar-menu .ant-menu-item .ant-menu-item-icon{margin-right:0!important}.ant-menu-inline-collapsed .sidebar-menu .ant-menu-item{padding-left:24px!important;background:#fef2f2;border:1px solid #fecaca;padding:1rem;border-radius:8px;margin:1rem 2rem;max-width:48rem;margin-left:auto}@media(max-width:768px){.chat-container{flex-direction:column}.thumbnail-panel{flex:0 0 200px;width:100%;border-right:none;border-bottom:1px solid #e5e5e5}.chat-panel{flex:1 1 auto;width:100%}.chat-header{padding:12px 16px}.chat-header-title{font-size:1rem}.chat-messages{padding:1rem 0}.message-wrapper{padding:0 1rem;margin-bottom:1rem}.message{max-width:100%;padding:1rem;font-size:.9rem;line-height:1.6}.chat-input-container{padding:1rem}.chat-input{padding:.75rem 1rem;font-size:.9rem}.send-button{padding:.75rem;min-width:3rem;height:2.5rem}.source-item{margin-bottom:.75rem}.source-header{padding:.5rem .75rem}.source-content{padding:.75rem;gap:.75rem}.file-name{font-size:.8rem}.content-text{font-size:.8rem;line-height:1.4}.thumbnail-header{padding:.75rem;font-size:.9rem}.thumbnail-content{padding:0 .25rem .25rem}}@media(max-width:480px){.chat-header{padding:8px 12px}.chat-header-title{font-size:.9rem}.message-wrapper{padding:0 .75rem}.message{padding:.75rem;font-size:.85rem}.chat-input-container{padding:.75rem}.chat-input{padding:.5rem .75rem;font-size:.85rem;min-height:2.25rem}.send-button{padding:.5rem;min-width:2.5rem;height:2.25rem}.source-item{margin-bottom:.5rem}.source-header{padding:.4rem .6rem}.source-content{padding:.6rem}.file-name,.content-text{font-size:.75rem}}.config-toggle{background:#f3f4f6;border:1px solid #d1d5db;padding:.5rem .75rem;border-radius:6px;cursor:pointer;font-size:.875rem;color:#4b5563;transition:background-color .2s ease}.config-toggle:hover{background:#e5e7eb}.config-section{background:#fff;padding:1rem 2rem;border-bottom:1px solid #e5e5e5;display:none}.config-section.show{display:block}.config-form{max-width:48rem;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;align-items:center}.config-input{padding:.5rem .75rem;border:1px solid #d1d5db;border-radius:6px;font-size:.875rem;background:#fff}.config-label{font-weight:500;font-size:.875rem;color:#374151;margin-bottom:.25rem;display:block}.config-buttons{display:flex;gap:.5rem;grid-column:1 / -1;justify-content:center;margin-top:.5rem}.config-button{padding:.5rem 1rem;border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:.875rem;transition:all .2s ease}.config-button.reset{background:#ef4444;color:#fff}.config-button.reset:hover:not(:disabled){background:#dc2626}.config-button.search{background:#10b981;color:#fff}.config-button.search:hover:not(:disabled){background:#059669}.config-button.clear-history{background:#f59e0b;color:#fff}.config-button.clear-history:hover:not(:disabled){background:#d97706}.message-content a,.chat-link{color:#007bff;text-decoration:none;padding:2px 6px;margin:0 2px;background-color:#007bff1a;border-radius:4px;border:1px solid rgba(0,123,255,.3);display:inline-block;font-weight:500;transition:all .2s ease}.message-content a:hover,.chat-link:hover{background-color:#007bff33;border-color:#007bff80;transform:translateY(-1px);box-shadow:0 2px 4px #007bff33}.message.user .message-content a,.message.user .chat-link{color:#fff;background-color:#fff3;border-color:#ffffff4d}.message.user .message-content a:hover,.message.user .chat-link:hover{background-color:#ffffff4d;border-color:#ffffff80;box-shadow:0 2px 4px #0000001a}.message.bot .message-content a:hover,.message.bot .chat-link:hover,.message.system .message-content a:hover,.message.system .chat-link:hover{color:#0056b3}.markdown-content{line-height:1.8;color:#2d3748}.formatted-paragraph{margin-bottom:1rem;line-height:1.8;text-align:left;color:#2d3748}.formatted-paragraph:first-child{margin-top:0}.formatted-paragraph:last-child{margin-bottom:0}.formatted-list{margin:1rem 0;padding-left:1.5rem;color:#2d3748}.formatted-list-numbered{list-style-type:decimal}.formatted-list-item{margin-bottom:.5rem;line-height:1.8;position:relative;padding-left:.5rem}.formatted-list-numbered .formatted-list-item{padding-left:.25rem}.formatted-bold{font-weight:600;color:#1a202c}.formatted-italic{font-style:italic;color:#4a5568}.formatted-inline-code{background:#f7fafc;border:1px solid #e2e8f0;border-radius:4px;padding:.125rem .375rem;font-family:Courier New,monospace;font-size:.9em;color:#d73a49}.formatted-code-block{background:#1e1e1e;border:1px solid #e2e8f0;border-radius:8px;padding:1rem;margin:1rem 0;overflow-x:auto}.formatted-code-block code{color:#d4d4d4;font-family:Courier New,monospace;font-size:.9rem;line-height:1.5}.formatted-heading{font-weight:600;color:#1a202c;margin-top:1.5rem;margin-bottom:.75rem}.formatted-heading:first-child{margin-top:0}h3.formatted-heading{font-size:1.25rem}h4.formatted-heading{font-size:1.125rem}h5.formatted-heading{font-size:1rem}.message.bot .formatted-list{background:transparent;border-left:none;padding-left:1.5rem;margin-left:0;border-radius:0}.message.bot .formatted-list-item{position:relative}.message.bot ul.formatted-list .formatted-list-item:before{content:"•";position:absolute;left:-1.25rem;color:#2d3748;font-weight:400;font-size:1em}.message.user .markdown-content{color:#2d3748}.message.user .formatted-inline-code{background:#fff3;border-color:#ffffff4d;color:#1a202c}.message-content{line-height:1.8;font-size:1rem}.message-content p{margin-bottom:.75rem}.message-content p:last-child{margin-bottom:0}.source-item{margin:.25rem 0}.source-info{cursor:help;padding:2px 4px;border-radius:4px;transition:background-color .2s ease}.source-info:hover{background-color:#3b82f61a}.thumbnail-tooltip{position:fixed;z-index:1000;background:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 4px 12px #00000026;padding:8px;max-width:200px;pointer-events:none}.thumbnail-tooltip img{width:100%;height:auto;border-radius:4px;display:block}.message-sources{margin-top:.5rem;padding-top:.5rem;border-top:1px solid rgba(255,255,255,.2);font-size:.85rem}.message-sources ul{margin:.25rem 0;padding-left:1rem}.message-sources li{margin:.25rem 0;font-size:.8rem}.message-timestamp{margin-top:.25rem;font-size:.75rem;opacity:.7;text-align:right}.bot .message-sources{border-top:1px solid rgba(0,0,0,.1)}.config-section button:hover:not(:disabled){opacity:.9}.config-section button:disabled{opacity:.6;cursor:not-allowed}@media(max-width:768px){.chat-container{height:100vh;max-width:100%}.message{max-width:85%}.config-form{flex-direction:column;align-items:stretch}.config-input{margin-top:.5rem}.config-section{padding:.75rem}.config-form button{margin-top:.5rem;width:100%}.chat-header{padding:.75rem;font-size:1rem}.chat-header div{font-size:.7rem;margin-top:.25rem}.message-sources{font-size:.75rem}.message-sources li{font-size:.7rem}}.source-item{border:1px solid #e2e8f0;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 1px 3px #0000000d;transition:box-shadow .2s ease;margin-bottom:.5rem}.source-item:hover{box-shadow:0 4px 12px #0000001a}.source-header{padding:.5rem;background:#f8f9fa;border-bottom:1px solid #e9ecef}.file-name{font-size:1rem;font-weight:600;color:#2d3748;word-break:break-word}.page-info{font-size:.875rem;color:#718096;font-weight:400}.source-content{display:flex;flex-direction:row;gap:1rem;padding:1rem;align-items:flex-start}.thumbnail-container{flex-shrink:0;width:200px;height:250px;position:relative;background:#f8f9fa;border-radius:8px;overflow:hidden;border:1px solid #e9ecef;display:flex;align-items:center;justify-content:center}.thumbnail-container.clickable{cursor:pointer;transition:all .2s ease}.thumbnail-container.clickable:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026;border-color:#3b82f6}.thumbnail-container.clickable:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.thumbnail-container .thumbnail-image{width:100%;height:100%;object-fit:contain;display:none;background:#fff;padding:10px}.thumbnail-container .thumbnail-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.thumbnail-container .placeholder-content{text-align:center;color:#6c757d}.thumbnail-container .placeholder-icon{font-size:2rem;margin-bottom:.5rem;opacity:.6}.thumbnail-container .placeholder-text{font-size:.75rem;font-weight:500;color:#495057}.content-preview{flex:1;min-width:0;height:250px;display:flex;flex-direction:column}.content-text{font-size:.875rem;line-height:1.6;color:#4a5568;background:#f7fafc;padding:.75rem;border-radius:6px;border-left:none;word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;height:100%;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#cbd5e0 #f7fafc}.content-text::-webkit-scrollbar-thumb:hover{background-color:#a0aec0}.content-text::-webkit-scrollbar{width:6px}.content-text::-webkit-scrollbar-track{background:#f7fafc;border-radius:3px}.content-text::-webkit-scrollbar-thumb{background-color:#cbd5e0;border-radius:3px}@media(max-width:1200px){.thumbnail-container{width:180px;height:220px}}@media(max-width:900px){.source-content{flex-direction:column}.thumbnail-container{width:100%;height:300px}.content-text{max-height:200px}}@media(max-width:768px){.source-content{flex-direction:column}.thumbnail-container{width:100%;height:250px}.source-header{flex-direction:column;gap:.5rem;align-items:flex-start}.source-score{align-self:flex-start}.content-text{max-height:150px}}.suggestions-dropdown{position:absolute;bottom:100%;left:0;right:0;background:#fff;border:1px solid #d1d5db;border-radius:12px;box-shadow:0 4px 12px #00000026;margin-bottom:0;z-index:1000;max-height:300px;overflow-y:auto}.suggestions-header{padding:.75rem 1rem .5rem;font-size:.875rem;font-weight:600;color:#4a5568;border-bottom:1px solid #e2e8f0;background:#f8f9fa;border-radius:12px 12px 0 0}.suggestion-item{padding:.75rem 1rem;border-bottom:1px solid #f1f3f4;cursor:pointer;color:#2d3748;font-size:.95rem;line-height:1.4;transition:all .2s ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.suggestion-item:last-child{border-bottom:none;border-radius:0 0 12px 12px}.suggestion-item:hover{background:#f7fafc;color:#1a202c;transform:translate(2px)}.suggestion-item:active{background:#edf2f7}@media(max-width:768px){.suggestions-dropdown{margin-left:-1rem;margin-right:-1rem;border-radius:8px;box-shadow:0 2px 8px #0000001a}.suggestions-header{border-radius:8px 8px 0 0}.suggestion-item:last-child{border-radius:0 0 8px 8px}}.top-bar{display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid #e5e5e5;padding:1rem 2rem;box-shadow:0 1px 3px #0000001a;z-index:20;height:80px;flex-shrink:0}.mode-switcher{display:flex}.global-config{display:flex;align-items:center;gap:1.5rem}.config-group{display:flex;align-items:center;gap:.5rem}.config-group .config-label{font-size:.875rem;font-weight:500;color:#374151;display:flex;align-items:center;gap:.5rem;white-space:nowrap}.config-group .config-input{padding:.375rem .5rem;border:1px solid #d1d5db;border-radius:6px;font-size:.875rem;background:#fff;width:100px}.config-status{font-size:.8rem;color:#6b7280;padding:.375rem .75rem;background:#f9fafb;border-radius:6px;border:1px solid #e5e7eb}.mode-button{padding:.75rem 1.5rem;border:1px solid #d1d5db;background:#f9fafb;color:#4b5563;cursor:pointer;font-weight:500;font-size:.95rem;transition:all .2s ease;border-radius:0;margin:0}.mode-button:first-child{border-radius:8px 0 0 8px}.mode-button:last-child{border-radius:0 8px 8px 0;border-left:none}.mode-button:hover:not(.active){background:#f3f4f6;border-color:#9ca3af}.mode-button.active{background:#3b82f6;color:#fff;border-color:#3b82f6;box-shadow:0 2px 4px #3b82f633}.search-doc-container{width:100%;height:100%;display:flex;flex-direction:column;background:#f7f7f8;overflow:hidden}.search-form-container{background:#fff;border-bottom:1px solid #e5e5e5;padding:1.5rem 2rem;flex-shrink:0}.search-form{max-width:48rem;margin:0 auto;display:flex;gap:1rem;align-items:center}.search-input{flex:1;padding:1rem 1.25rem;border:1px solid #d1d5db;border-radius:12px;outline:none;font-size:1rem;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}.search-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.search-button{padding:1rem 2rem;background:#3b82f6;color:#fff;border:none;border-radius:12px;cursor:pointer;font-weight:500;font-size:1rem;transition:background-color .2s ease;white-space:nowrap}.search-button:hover:not(:disabled){background:#2563eb}.search-button:disabled{background:#9ca3af;cursor:not-allowed}.search-results-container{flex:1;padding:2rem;overflow-y:auto;background:#f7f7f8}.search-loading{display:flex;justify-content:center;align-items:center;height:200px}.results-header{font-size:1.125rem;font-weight:600;color:#2d3748;margin-bottom:1.5rem;text-align:center}.search-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;max-width:100%}.search-result-item{background:#fff;border:1px solid #e2e8f0;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px #0000000d;transition:all .2s ease;display:flex;flex-direction:column}.search-result-item:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-1px)}.search-result-thumbnail{width:100%;height:200px;position:relative;background:#f8f9fa;display:flex;align-items:center;justify-content:center;overflow:hidden}.search-thumbnail-image{width:100%;height:100%;object-fit:contain;background:#fff;padding:10px;display:none}.search-thumbnail-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.search-result-info{padding:1.25rem;flex:1;display:flex;flex-direction:column;gap:.5rem}.search-result-title{font-size:1rem;font-weight:600;color:#2d3748;word-break:break-word}.search-result-page{font-size:.875rem;color:#718096;font-weight:500}.search-result-score{font-size:.8rem;color:#3182ce;font-weight:500;padding:.25rem .5rem;background:#e6f3ff;border-radius:4px;display:inline-block;width:fit-content}.search-result-content{font-size:.875rem;color:#4a5568;line-height:1.5;background:#f7fafc;padding:.75rem;border-radius:6px;border-left:none;word-wrap:break-word;overflow-wrap:break-word;margin-top:.5rem}.no-results,.search-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;text-align:center;color:#6b7280}.no-results-icon,.search-welcome-icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.no-results-text,.search-welcome-text{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;color:#4a5568}.no-results-suggestion,.search-welcome-suggestion{font-size:1rem;color:#6b7280}@media(max-width:768px){.top-bar{height:100px;padding:.75rem 1rem;flex-direction:column;gap:.75rem;align-items:stretch}.app-content{height:calc(100vh - 100px)}.global-config{flex-direction:column;gap:.75rem;align-items:stretch}.config-group{justify-content:space-between}.chat-container{flex-direction:column;height:100%}.thumbnail-panel,.chat-panel{width:100%;height:50%}.mode-switcher{padding:.5rem}.mode-button{padding:.5rem 1rem;font-size:.875rem}.search-form-container{padding:1rem}.search-form{flex-direction:column;gap:.75rem}.search-button{width:100%;padding:.875rem 1.5rem}.search-results-container{padding:1rem}.search-results-grid{grid-template-columns:1fr;gap:1rem}.search-result-thumbnail{height:150px}.search-result-info{padding:1rem}}@media(max-width:480px){.search-results-grid{grid-template-columns:1fr}.search-result-item{margin:0 -.5rem;border-radius:8px}}.form-select{padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:.875rem;background:#fff;color:#374151;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}.results-pagination{display:flex!important;justify-content:flex-start;align-items:center;font-size:.875rem;gap:.5rem;flex-wrap:nowrap!important;flex-direction:row!important;width:100%}.results-info{color:#4a5568;white-space:nowrap;flex-shrink:1;min-width:0}.pagination-controls{display:flex;gap:.5rem}.pagination-button{padding:.25rem .5rem;font-size:.75rem;background:#f8f9fa;border:1px solid #d1d5db;border-radius:4px;cursor:pointer;color:#374151;font-weight:500;transition:all .2s ease;white-space:nowrap;flex-shrink:0}@media(max-width:768px){.form-row{grid-template-columns:1fr}.search-controls,.search-form{padding:1rem}.thumbnail-header{padding:12px 16px;min-height:auto}.results-pagination{flex-wrap:wrap!important;gap:.5rem;font-size:.75rem}.pagination-button{padding:.25rem .4rem;font-size:.7rem}.results-info{flex-basis:100%;margin-bottom:.25rem}.project-stats{font-size:.7rem!important}}@media(max-width:480px){.thumbnail-header{padding:8px 12px}.results-pagination{font-size:.7rem;gap:.35rem}.pagination-button{padding:.2rem .35rem;font-size:.65rem}.project-stats{font-size:.65rem!important;gap:4px!important}}.search-controls{padding:1.5rem 2rem;flex:1;overflow-y:auto;background:#f7f7f8}.search-form{background:#fff;padding:1.5rem;border-radius:12px;border:1px solid #e2e8f0;margin-bottom:1.5rem;box-shadow:0 1px 3px #0000000d}.form-group{margin-bottom:1rem}.form-label{display:block;font-weight:500;font-size:.875rem;color:#374151;margin-bottom:.5rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form-select{padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:.875rem;background:#fff;color:#374151;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease;width:100%}.form-select:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.search-info{background:#fff;border-radius:12px;border:1px solid #e2e8f0;overflow:hidden;box-shadow:0 1px 3px #0000000d}.info-section{padding:1rem 1.5rem;border-bottom:1px solid #f1f3f4}.info-section:last-child{border-bottom:none}.info-section h4{margin:0 0 .75rem;font-size:1rem;font-weight:600;color:#2d3748}.info-item{margin-bottom:.5rem;font-size:.875rem;color:#4a5568}.info-item:last-child{margin-bottom:0}.info-item strong{color:#2d3748;font-weight:500}.relevance-score{font-size:.75rem;color:#059669;font-weight:500;margin-top:.25rem}.results-pagination{margin-top:.75rem;padding-top:.75rem;border-top:1px solid #e2e8f0;display:flex;flex-direction:column;gap:.5rem;font-size:.875rem}.results-info{color:#4a5568;font-size:.75rem}.pagination-controls{display:flex;gap:.5rem;justify-content:flex-end}.pagination-button{padding:.25rem .5rem;font-size:.75rem;background:#f8f9fa;border:1px solid #d1d5db;border-radius:4px;cursor:pointer;color:#374151;font-weight:500;transition:all .2s ease}.pagination-button:hover:not(:disabled){background:#e9ecef;border-color:#9ca3af}.pagination-button:disabled{opacity:.5;cursor:not-allowed;background:#f3f4f6}.app-content{height:calc(100vh - 80px);overflow:hidden}@media(max-width:768px){.form-row{grid-template-columns:1fr}.search-controls,.search-form{padding:1rem}.results-pagination{flex-direction:column;gap:.75rem;align-items:flex-start}.pagination-controls{align-self:stretch;justify-content:space-between}}.hint-panel-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.hint-panel{background:#fff;border-radius:12px;box-shadow:0 10px 25px #0003;width:90%;max-width:600px;max-height:85vh;overflow:hidden;display:flex;flex-direction:column}.hint-panel-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:#f8f9fa;border-bottom:1px solid #e5e5e5}.hint-panel-header h3{margin:0;font-size:1.125rem;font-weight:600;color:#2d3748}.hint-close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#6b7280;padding:0;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s ease}.hint-close-btn:hover{background:#e5e7eb;color:#374151}.hint-panel-content{padding:1rem 1.5rem 1.5rem;overflow-y:auto;flex:1}.hint-input-section{margin-bottom:1rem}.hint-label{display:block;margin-bottom:.5rem;font-weight:500;color:#374151;font-size:.875rem}.hint-input{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:.875rem;resize:vertical;min-height:50px;max-height:80px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.hint-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.hint-actions{display:flex;gap:.75rem;margin-bottom:1rem}.hint-button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.5rem;font-size:.875rem}.hint-button.give-hints{background:#3b82f6;color:#fff}.hint-button.give-hints:hover:not(:disabled){background:#2563eb}.hint-button:disabled{opacity:.6;cursor:not-allowed}.hint-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:.625rem;border-radius:8px;margin-bottom:.75rem;font-size:.875rem}.hint-warning{background:#fffbeb;border:1px solid #fde68a;color:#d97706;padding:.625rem;border-radius:8px;margin-bottom:.75rem;font-size:.875rem;display:flex;align-items:flex-start;gap:.5rem}.hint-warning-icon{flex-shrink:0;font-size:1rem}.hint-warning-text{flex:1;line-height:1.4}.hint-suggestions h4{margin:0 0 .75rem;font-size:.9375rem;font-weight:600;color:#374151}.suggestions-list{display:flex;flex-direction:column;gap:.375rem}.suggestion-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;padding:.625rem .875rem;text-align:left;cursor:pointer;transition:all .2s ease;font-size:.8125rem;line-height:1.35;color:#374151}.suggestion-item:hover{background:#f3f4f6;border-color:#3b82f6;color:#1f2937;transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.hint-placeholder{text-align:center;color:#6b7280;font-style:italic;padding:1.5rem 1rem;background:#f9fafb;border-radius:8px;border:2px dashed #e5e7eb;font-size:.875rem}.hints-container{position:absolute;bottom:100%;left:0;right:0;margin-bottom:.5rem;background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 -4px 12px #0000001a;z-index:1000;max-height:300px;overflow-y:auto}.hints-loading{padding:1rem;text-align:center;color:#6b7280;display:flex;align-items:center;justify-content:center;gap:.5rem}.hints-header{padding:.75rem 1rem;font-weight:600;font-size:.875rem;color:#374151;background:#f9fafb;border-bottom:1px solid #e5e7eb;display:flex;justify-content:space-between;align-items:center}.hints-close-btn{background:none;border:none;cursor:pointer;padding:.25rem .5rem;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#6b7280;transition:all .2s ease;line-height:1}.hints-close-btn:hover{background:#e5e7eb;color:#374151}.hints-close-btn:active{transform:scale(.95)}.hints-list{padding:.5rem;display:flex;flex-direction:column;gap:.25rem}.hint-item{padding:.75rem 1rem;background:#fff;border:1px solid #e5e7eb;border-radius:6px;cursor:pointer;text-align:left;transition:all .2s ease;font-size:.875rem;color:#374151;width:100%}.hint-item:hover{background:#f3f4f6;border-color:#3b82f6;color:#3b82f6;transform:translate(4px)}.hint-item:active{transform:translate(2px)}@media(max-width:640px){.hint-panel{width:95%;max-height:92vh;margin:1rem}.hint-panel-header,.hint-panel-content{padding:1rem}.hint-input{min-height:40px;max-height:60px}}.sidebar-menu .ant-menu-item.trash-active{background-color:#fff7e6!important;border-left:3px solid #fa8c16}.sidebar-menu .ant-menu-item.trash-active:hover{background-color:#ffe7ba!important}.sidebar-menu .ant-menu-item.trash-active .ant-menu-item-icon{color:#fa8c16}.sidebar-menu .ant-menu-divider{margin:12px 0!important;background-color:#f0f0f0}.grecaptcha-badge{left:4px!important;right:auto!important;bottom:4px!important;z-index:1000}@media(max-width:768px){.grecaptcha-badge{transform:scale(.85);transform-origin:bottom left;opacity:.8;bottom:2px!important;left:2px!important}body:has(.chat-input:focus) .grecaptcha-badge{opacity:.5}}.saved-chats-container{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;max-height:400px;display:flex;flex-direction:column;overflow:hidden}.saved-chats-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#f8f9fa;border-bottom:1px solid #e2e8f0}.saved-chats-header h3{margin:0;font-size:1rem;font-weight:600;color:#2d3748;display:flex;align-items:center}.saved-chats-count{background:#e2e8f0;color:#4a5568;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.saved-chats-close{background:none;border:none;font-size:1.25rem;color:#718096;cursor:pointer;padding:4px 8px;line-height:1;border-radius:4px}.saved-chats-close:hover{background:#e2e8f0;color:#2d3748}.saved-chats-loading{padding:24px;text-align:center;color:#718096}.saved-chats-error{padding:12px 16px;background:#fed7d7;color:#c53030;font-size:.875rem}.saved-chats-empty{padding:24px 16px;text-align:center;color:#718096}.saved-chats-empty p{margin:0 0 8px}.saved-chats-hint{font-size:.75rem;color:#a0aec0}.saved-chats-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.saved-chat-item{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background-color .15s ease}.saved-chat-item:hover{background:#f7fafc}.saved-chat-item:last-child{border-bottom:none}.saved-chat-content{flex:1;min-width:0}.saved-chat-title{font-size:.875rem;font-weight:500;color:#2d3748;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.saved-chat-meta{display:flex;gap:12px;font-size:.75rem;color:#a0aec0}.saved-chat-date{color:#718096}.saved-chat-views{display:flex;align-items:center;gap:2px}.saved-chat-actions{display:flex;gap:8px;align-items:center;flex-shrink:0;opacity:.4;transition:opacity .15s ease}.saved-chat-item:hover .saved-chat-actions{opacity:1}.saved-chat-copy{background:transparent;border:1px solid #ddd;cursor:pointer;padding:6px;border-radius:4px;transition:all .2s;display:flex;align-items:center;justify-content:center;color:#1890ff}.saved-chat-copy:hover{background:#e3f2fd;border-color:#1890ff}.saved-chat-copy:disabled{cursor:default;color:#4caf50;border-color:#4caf50;background:#e8f5e9}.saved-chat-delete{background:none;border:none;padding:4px 8px;cursor:pointer;transition:opacity .15s ease;font-size:.875rem}.saved-chat-delete:hover{opacity:1!important}.saved-chat-delete:disabled{cursor:not-allowed;opacity:.3}.saved-chats-limit-warning{padding:10px 16px;background:#fef3c7;color:#92400e;font-size:.75rem;text-align:center;border-top:1px solid #fcd34d}.saved-chats-dropdown{position:absolute;top:100%;right:0;width:320px;z-index:1000;margin-top:4px}@media(max-width:768px){.saved-chats-container{max-height:300px}.saved-chats-dropdown{width:280px;right:-8px}.saved-chat-title{font-size:.8125rem}.saved-chat-meta{font-size:.6875rem}}.add-to-binder-button{box-shadow:0 2px 8px #00000026}.add-to-binder-button:hover{transform:scale(1.05);transition:transform .2s}.binder-menu-item{display:flex;justify-content:space-between;align-items:center;width:100%}.binder-item-count{color:#888;font-size:12px;margin-left:8px}.binder-menu{min-width:280px;max-height:500px;overflow-y:auto}.binder-menu-button{position:relative}.binder-menu-create{border-bottom:1px solid #f0f0f0;margin-bottom:8px;padding-bottom:8px}.binder-menu-item{padding:12px 16px}.binder-menu-item-content{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:4px}.binder-menu-item-name{font-weight:500;font-size:14px;color:#262626;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.binder-menu-item-date{font-size:12px;color:#8c8c8c}.binder-menu-container{padding:16px}.binder-menu-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.binder-menu-title{font-size:18px;font-weight:600;margin:0}.binder-list{display:flex;flex-direction:column;gap:12px}.binder-list-item{padding:12px;border:1px solid #e8e8e8;border-radius:8px;cursor:pointer;transition:all .2s;background:#fff}.binder-panel{height:100%;display:flex;flex-direction:column;background:#f5f5f5}.binder-panel-header{display:flex;justify-content:space-between;align-items:center;padding:24px 32px;background:#fff;border-bottom:1px solid #e8e8e8}.binder-panel-loading{display:flex;justify-content:center;align-items:center;height:100%;min-height:400px}.binder-panel-content{flex:1;overflow-y:auto;padding:24px 32px}.binder-card{height:100%;border-radius:12px;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px #00000014}.binder-card:hover{box-shadow:0 8px 24px #0000001f;transform:translateY(-4px)}.binder-card .ant-card-cover{height:200px;background:#fafafa;overflow:hidden}.page-item-hidden{opacity:.5;background-color:#f5f5f5!important;border:1px dashed #d9d9d9!important}.page-item-hidden:hover{opacity:.7}.page-item-hidden .page-item-thumbnail img{filter:grayscale(50%)}.page-item-hidden .page-item-filename,.page-item-hidden .page-item-pagenum{color:#8c8c8c;display:flex;align-items:center;justify-content:center}.binder-card .ant-card-body{padding:16px}.binder-card-title{font-size:16px;font-weight:600;color:#262626;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.binder-card-description{color:#595959;font-size:13px;line-height:1.5;min-height:42px}.binder-card-details{display:flex;flex-direction:column}.binder-card-stats{display:flex;gap:16px;padding:8px 0;border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0;margin-bottom:8px}.binder-stat{display:flex;align-items:center;gap:4px;font-size:13px;color:#8c8c8c}.binder-stat .anticon{font-size:14px}.binder-card-footer{display:flex;justify-content:space-between;align-items:center}.binder-thumbnail-placeholder{height:200px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f5f5,#e8e8e8)}.binder-thumbnail-grid{width:100%;height:200px;display:grid!important;gap:2px;background:#f0f0f0;position:relative}.binder-thumbnail-single{grid-template-columns:1fr!important;grid-template-rows:1fr!important}.binder-thumbnail-double{grid-template-columns:1fr 1fr!important;grid-template-rows:1fr!important}.binder-thumbnail-triple{grid-template-columns:1fr 1fr!important;grid-template-rows:1fr 1fr!important}.binder-thumbnail-triple .binder-thumbnail-item:first-child{grid-column:1 / 3!important}.binder-thumbnail-quad{grid-template-columns:1fr 1fr!important;grid-template-rows:1fr 1fr!important}.binder-thumbnail-item{width:100%;height:100%;overflow:hidden;background:#fafafa;display:flex!important;align-items:center;justify-content:center;position:relative}.binder-thumbnail-item img{width:100%;height:100%;object-fit:cover;display:block}.binder-thumbnail-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#f5f5f5}@media(max-width:768px){.binder-panel-header{flex-direction:column;align-items:flex-start;gap:16px;padding:16px 20px}.binder-panel-content{padding:16px 20px}.binder-card .ant-card-cover{height:160px}.binder-card-stats{gap:12px}}.binder-card{animation:fadeIn .3s ease-out}.binder-list-item:hover{border-color:#1890ff;box-shadow:0 2px 8px #0000001a;transform:translateY(-2px)}.binder-list-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.binder-list-item-name{font-weight:500;font-size:14px;color:#262626}.binder-list-item-meta{display:flex;gap:16px;font-size:12px;color:#8c8c8c}.binder-list-item-stat{display:flex;align-items:center;gap:4px}.binder-list-empty{text-align:center;padding:40px 20px;color:#8c8c8c}.binder-list-empty-icon{font-size:48px;color:#d9d9d9;margin-bottom:16px}.binder-view{padding:24px;max-width:1400px;margin:0 auto;height:100vh;display:flex;flex-direction:column;overflow:hidden;position:relative}.binder-view-loading{display:flex;justify-content:center;align-items:center;min-height:400px}.binder-view-empty{text-align:center;padding:60px 20px}.binder-view-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid #e8e8e8;gap:24px}.binder-view-header-left{display:flex;gap:16px;align-items:flex-start;flex:1}.binder-view-header-right{flex-shrink:0}.binder-view-title h1{font-size:28px;font-weight:600;margin:0 0 8px;color:#262626}.binder-view-description{color:#595959;font-size:14px;margin:0;line-height:1.6}.binder-view-add-note{margin-bottom:24px}.binder-view-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding-bottom:40px}.binder-view-items.edit-mode-list{display:flex;flex-direction:column;gap:12px}.binder-view-items.edit-mode-list .page-item{display:flex;flex-direction:row;align-items:center;max-width:100%;padding:8px 12px!important;min-height:50px;height:50px}.binder-view-items.edit-mode-list .page-item>.ant-card-body{display:flex;flex-direction:row;align-items:center;padding:0!important;width:100%}.binder-view-items.edit-mode-list .page-item-thumbnail{width:60px;min-width:60px;height:45px;flex-shrink:0;margin-right:12px}.binder-view-items.edit-mode-list .page-item-info{display:flex!important;flex-direction:row!important;align-items:center;gap:16px;flex:1;padding:0!important;min-height:unset}.binder-view-items.edit-mode-list .page-item-filename{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;margin:0!important}.binder-view-items.edit-mode-list .page-item-pagenum{white-space:nowrap;font-size:12px;margin:0!important}.binder-view-items.edit-mode-list .page-item-actions{position:relative;top:auto;right:auto;display:flex;align-items:center;padding:0;margin-left:auto;gap:4px;flex-shrink:0}.binder-view-items.edit-mode-list .page-item-score{display:none}.binder-view-items.edit-mode-list .note-item{padding:8px 12px!important;display:flex;flex-direction:row;align-items:center;gap:12px;min-height:50px;height:50px}.binder-view-items.edit-mode-list .note-item>.ant-card-body{display:flex;flex-direction:row;align-items:center;padding:0!important;width:100%;gap:12px}.binder-view-items.edit-mode-list .note-item-header{display:none}.binder-view-items.edit-mode-list .note-item-header-inline{display:flex;align-items:center;gap:6px;flex-shrink:0;white-space:nowrap}.binder-view-items.edit-mode-list .note-item-label{font-size:12px;color:#8c8c8c;font-weight:500}.binder-view-items.edit-mode-list .note-item-timestamp{position:relative;top:auto;right:auto;background:transparent;padding:0;margin-left:auto}.binder-view-items.edit-mode-list .note-item-content{flex:1;min-width:0;padding-top:0}.binder-view-items.edit-mode-list .note-item-editing{width:100%}.binder-view-items.edit-mode-list .note-item-editing textarea{font-size:13px;min-height:60px}.binder-view-items.edit-mode-list .note-item-text{padding-right:0;max-height:50px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:1.4}.binder-view-items.edit-mode-list .note-item-actions{position:relative;top:auto;right:auto;flex-shrink:0;display:flex;gap:4px;align-items:center;margin-left:auto}.binder-view-container{padding:24px;max-width:1200px;margin:0 auto}.binder-view-header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.binder-view-title{font-size:24px;font-weight:600;margin:0}.binder-view-actions{display:flex;gap:8px}.binder-view-description{color:#595959;margin-bottom:12px}.binder-view-meta{display:flex;gap:24px;font-size:13px;color:#8c8c8c}.binder-view-meta-item{display:flex;align-items:center;gap:6px}.binder-items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:24px}.binder-item-card{border:1px solid #e8e8e8;border-radius:8px;overflow:hidden;background:#fff;transition:all .2s;cursor:pointer}.binder-item-card:hover{border-color:#1890ff;box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.binder-item-card.dragging{opacity:.5;cursor:move}.binder-item-card.drag-over{border-color:#1890ff;background:#f0f5ff}.page-item{position:relative;border:1px solid #e8e8e8;border-radius:8px;overflow:hidden;background:#fff;transition:all .2s;height:280px;display:flex;flex-direction:column}.page-item>.ant-card-body{padding:0;display:flex;flex-direction:column;height:100%}.page-item:hover{border-color:#1890ff;box-shadow:0 4px 12px #00000014}.page-item.edit-mode{cursor:default}.page-item-deleted{opacity:.5;background:#f5f5f5;border:1px solid #d9d9d9;cursor:not-allowed!important}.page-item-deleted:hover{border-color:#d9d9d9;box-shadow:none}.page-item-deleted .page-item-thumbnail{filter:grayscale(100%);opacity:.6}.page-item-deleted .page-item-filename,.page-item-deleted .page-item-pagenum{color:#8c8c8c}.page-item-deleted .page-item-info{background:#00000005}.page-item-actions{position:absolute;top:8px;right:8px;display:flex;gap:4px;z-index:10}.page-item-actions.page-item-actions-hover{opacity:0;transition:opacity .2s ease;background:#fffffff2;border-radius:4px;padding:4px;box-shadow:0 2px 6px #00000026}.page-item:hover .page-item-actions.page-item-actions-hover{opacity:1}.drag-handle{cursor:move;background:#fffffff2;padding:6px 8px;border-radius:4px;box-shadow:0 2px 6px #00000026;display:flex;align-items:center;justify-content:center}.page-item-thumbnail{position:relative;width:100%;height:180px;background:#f5f5f5;display:flex;align-items:center;justify-content:center;overflow:hidden}.page-item-thumbnail img{width:100%;height:100%;object-fit:contain;background:#fafafa}.page-item-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:linear-gradient(135deg,#f5f5f5,#e8e8e8)}.page-item-info{padding:12px;flex:1;display:flex;flex-direction:column;min-height:0}.page-item-filename{font-weight:500;font-size:14px;color:#262626;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0}.page-item-note{font-size:12px;color:#595959;font-style:italic;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;margin-bottom:4px;flex-shrink:0}.page-item-pagenum{font-size:12px;color:#8c8c8c;margin-top:auto;flex-shrink:0}.page-item-score{padding:0 12px 8px;font-size:11px;color:#52c41a}.binder-page-item{position:relative}.binder-page-thumbnail{width:100%;height:180px;object-fit:cover;background:#f5f5f5}.binder-page-info{padding:12px}.binder-page-filename{font-weight:500;font-size:14px;color:#262626;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.binder-page-pagenum{font-size:12px;color:#8c8c8c}.note-item{position:relative;border:1px solid #faad14;border-radius:8px;background:#fffbe6;border-left:4px solid #faad14;transition:all .2s;height:280px;display:flex;flex-direction:column}.note-item:hover{box-shadow:0 4px 12px #faad1426}.note-item.edit-mode{background:#fff9e6}.note-item>.ant-card-body{padding:16px;display:flex;flex-direction:column;height:100%}.note-item-actions{position:absolute;top:8px;right:8px;display:flex;gap:4px;z-index:10}.note-item-actions.note-item-actions-hover{opacity:0;transition:opacity .2s ease;background:#fffbe6f2;border-radius:4px;padding:4px;box-shadow:0 2px 6px #faad1440}.note-item:hover .note-item-actions.note-item-actions-hover{opacity:1}.note-item-actions.note-item-actions-editing{background:#fffbe6f2;border-radius:4px;padding:4px;box-shadow:0 2px 6px #faad1440}.note-item-timestamp{position:absolute;top:12px;right:12px;font-size:11px;color:#8c8c8c;background:#fffc;padding:4px 8px;border-radius:4px;z-index:5;max-width:50%}.note-item-header,.note-item-icon{display:none}.note-item-header-info{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.note-item-author{font-weight:500;color:#595959;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-item-date{font-size:11px;color:#8c8c8c;white-space:nowrap}.note-item-content{position:relative;flex:1;display:flex;flex-direction:column;padding-top:32px;min-height:0;overflow:hidden}.note-item-text{color:#262626;font-size:14px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word;overflow-y:auto;overflow-x:hidden;flex:1;padding-right:8px;max-height:100%}.note-item-edit-button{position:absolute;top:0;right:0}.note-item-edit-actions{display:flex;gap:8px;margin-top:12px;justify-content:flex-end}.binder-note-item{padding:16px;background:#fffbe6;border-left:4px solid #faad14}.binder-note-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.binder-note-icon{color:#faad14;font-size:16px}.binder-note-actions{display:flex;gap:8px}.binder-note-content{color:#595959;font-size:13px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word}.binder-note-meta{margin-top:8px;font-size:12px;color:#8c8c8c}.binder-item-edit-overlay{position:absolute;top:8px;right:8px;display:flex;gap:4px}.binder-item-drag-handle{cursor:move;color:#8c8c8c;font-size:16px;background:#fff;border-radius:4px;padding:4px 8px;box-shadow:0 2px 4px #0000001a}.binder-item-delete-btn{background:#fff;border-radius:4px;padding:4px 8px;box-shadow:0 2px 4px #0000001a}.binder-note-edit-form{margin-top:8px}.binder-note-textarea{width:100%;min-height:80px;border-radius:4px;border:1px solid #d9d9d9;padding:8px;font-size:13px;resize:vertical}.binder-note-edit-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.binder-add-note-container{grid-column:1 / -1;display:flex;justify-content:center;margin:16px 0}.binder-add-note-btn{min-width:200px}.binder-loading{display:flex;justify-content:center;align-items:center;min-height:400px}.binder-empty{text-align:center;padding:60px 20px}.binder-empty-icon{font-size:64px;color:#d9d9d9;margin-bottom:16px}.binder-empty-text{font-size:16px;color:#8c8c8c;margin-bottom:24px}@media(max-width:768px){.binder-view-container{padding:16px}.binder-items-grid{grid-template-columns:1fr;gap:12px}.binder-view-header-top{flex-direction:column;align-items:flex-start;gap:12px}.binder-view-meta{flex-wrap:wrap}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.binder-item-card{animation:fadeIn .3s ease-out}.binder-items-grid.drag-active .binder-item-card:not(.dragging){opacity:.6}.binder-drop-indicator{position:absolute;width:100%;height:4px;background:#1890ff;border-radius:2px;pointer-events:none;z-index:1000}.comment-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.comment-edit-actions{display:flex;gap:8px;margin-top:8px;justify-content:flex-end}.comment-edit textarea{resize:vertical}.binder-view-edit-toolbar{display:flex;align-items:center;gap:0;margin-bottom:16px;background:#fff;border:1px solid #e8e8e8;border-radius:8px;padding:8px 12px;flex-shrink:0;box-shadow:0 1px 3px #0000000a}.edit-toolbar-section{display:flex;align-items:center;padding:0 12px}.edit-toolbar-section:first-child{padding-left:4px}.edit-toolbar-section:last-child{padding-right:4px}.edit-toolbar-divider{width:1px;height:28px;background:#e8e8e8;flex-shrink:0}.edit-toolbar-section .ant-btn-group{display:flex}.edit-toolbar-section .ant-btn-group>.ant-btn{border-radius:0}.edit-toolbar-section .ant-btn-group>.ant-btn:first-child{border-top-left-radius:6px;border-bottom-left-radius:6px}.edit-toolbar-section .ant-btn-group>.ant-btn:last-child{border-top-right-radius:6px;border-bottom-right-radius:6px}.binder-view-edit-controls{display:flex;flex-direction:column;gap:0;margin-bottom:20px;background:#fafafa;border:1px solid #e8e8e8;border-radius:8px;flex-shrink:0}.binder-view-controls-row{display:flex;align-items:center;gap:12px;padding:12px 16px;flex-wrap:wrap}.binder-view-add-note,.binder-view-selection-controls,.binder-view-move-controls,.binder-view-sort-controls,.binder-view-bulk-edit-controls{flex-shrink:0}.binder-view-items-container{flex:1;overflow-y:auto;overflow-x:hidden;min-height:0}.binder-view-items:not(.edit-mode-list) .binder-item-wrapper{display:contents}.binder-view-items:not(.edit-mode-list) .binder-item-checkbox{display:none}.binder-view-items.edit-mode-list .binder-item-wrapper{display:flex;align-items:center;gap:0;position:relative}.binder-view-items.edit-mode-list .binder-item-wrapper.selected{background-color:#e6f7ff;border-radius:8px}.binder-item-checkbox{display:flex;align-items:center;padding:0 12px;background:#f5f5f5;border:1px solid #e8e8e8;border-right:none;border-radius:8px 0 0 8px;flex-shrink:0;height:50px}.binder-item-wrapper.selected .binder-item-checkbox{background:#bae7ff;border-color:#91d5ff}.binder-view-items.edit-mode-list .binder-item-checkbox+.page-item{border-top-left-radius:0;border-bottom-left-radius:0}.binder-view-items.edit-mode-list .binder-item-wrapper .note-item{flex:1;border-radius:8px}@media(max-width:768px){.binder-view{height:auto;overflow:visible}.binder-view-edit-toolbar{flex-wrap:wrap;gap:8px;padding:12px}.edit-toolbar-divider{display:none}.edit-toolbar-section{padding:4px 0;width:auto}.edit-toolbar-section:first-child,.edit-toolbar-section:last-child{padding:4px 0}.binder-view-controls-row{flex-direction:column;align-items:flex-start;gap:12px}.binder-view-controls-row .ant-divider-vertical{display:none}.binder-view-selection-controls,.binder-view-move-controls,.binder-view-sort-controls,.binder-view-bulk-edit-controls{width:100%}.binder-view-selection-controls .ant-space,.binder-view-move-controls .ant-space{flex-wrap:wrap}.binder-view-items-container{overflow:visible}}@media(max-width:576px){.binder-view-edit-toolbar{flex-direction:column;align-items:stretch}.edit-toolbar-section{justify-content:center;width:100%}.edit-toolbar-section .ant-btn-group{width:100%;display:flex}.edit-toolbar-section .ant-btn-group>.ant-btn{flex:1}}.snapshots-list{display:flex;flex-direction:column;gap:8px}.snapshot-item{transition:all .2s ease}.snapshot-item:hover{border-color:#1890ff!important;box-shadow:0 2px 8px #1890ff26}.snapshot-item-name{font-weight:500;color:#262626}.snapshot-item-meta{font-size:12px;color:#8c8c8c}.binder-view-header-right .ant-btn .anticon-history{color:#722ed1}.binder-view-header-right .ant-btn:hover .anticon-history{color:#531dab}.comments-sidebar{position:fixed;top:0;right:0;width:350px;height:100vh;background:#fff;border-left:1px solid #e8e8e8;display:flex;flex-direction:column;box-shadow:-4px 0 16px #00000014;z-index:1000;animation:slideInRight .2s ease-out}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.binder-view.binder-view-with-comments{padding-right:350px}.comments-sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e8e8e8;background:#fafafa;flex-shrink:0}.comments-sidebar-header h3{margin:0;font-size:16px;font-weight:600;color:#262626}.comments-sidebar-close{background:none;border:none;font-size:14px;color:#8c8c8c;cursor:pointer;padding:6px 8px;border-radius:4px;transition:all .2s;display:flex;align-items:center;justify-content:center}.comments-sidebar-close:hover{background-color:#f0f0f0;color:#262626}.comments-sidebar-input{display:flex;gap:8px;padding:16px 20px 8px;flex-shrink:0}.comments-sidebar-input .comment-input{flex:1;border-radius:6px}.comments-sidebar .comment-char-count{font-size:11px;color:#8c8c8c;text-align:right;padding:0 20px 8px;flex-shrink:0}.comments-sidebar-list{flex:1;overflow-y:auto;padding:8px 20px 20px}.comments-sidebar .no-comments{text-align:center;color:#8c8c8c;padding:40px 20px;font-size:14px}.comments-sidebar .comment-item{background:#f9f9f9;border-radius:8px;padding:12px;margin-bottom:12px;border:1px solid #f0f0f0}.comments-sidebar .comment-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.comments-sidebar .comment-username{font-weight:600;font-size:13px;color:#262626}.comments-sidebar .comment-date{font-size:11px;color:#8c8c8c}.comments-sidebar .comment-actions{display:flex;gap:2px;margin-left:auto}.comments-sidebar .comment-actions .ant-btn{padding:2px 6px;height:auto}.comments-sidebar .comment-text{font-size:13px;line-height:1.5;color:#595959;white-space:pre-wrap;word-wrap:break-word}.comments-sidebar .comment-edit{margin-top:8px}.comments-sidebar .comment-edit-actions{display:flex;gap:8px;margin-top:8px;justify-content:flex-end}@media(max-width:768px){.comments-sidebar{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:350px;z-index:1000;box-shadow:-4px 0 16px #00000026}.binder-view-main-content.sidebar-open{margin-right:0}}@media(max-width:480px){.comments-sidebar{max-width:100%}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:flex-start;justify-content:center;padding-top:5vh;z-index:1002;animation:fadeIn .2s ease-in-out;overflow-y:auto}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:#fff;border-radius:8px;box-shadow:0 4px 20px #00000026;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid #e2e8f0}.modal-header h3{margin:0;font-size:1.25rem;font-weight:600;color:#2d3748}.modal-close{background:none;border:none;font-size:2rem;line-height:1;color:#718096;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s,color .2s}.modal-close:hover{background-color:#f7fafc;color:#2d3748}.modal-body{padding:1.5rem}.modal-error{background-color:#fed7d7;border:1px solid #fc8181;color:#c53030;padding:.75rem;border-radius:6px;margin-bottom:1rem;font-size:.875rem}.form-group{margin-bottom:1.5rem}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-weight:600;color:#2d3748;margin-bottom:.5rem;font-size:.875rem}.form-group .required{color:#e53e3e}.form-input,.form-textarea{width:100%;padding:.75rem;border:1px solid #cbd5e0;border-radius:6px;font-size:.875rem;font-family:inherit;transition:border-color .2s,box-shadow .2s}.form-input:focus,.form-textarea:focus{outline:none;border-color:#3182ce;box-shadow:0 0 0 3px #3182ce1a}.form-textarea{resize:vertical;min-height:80px}.char-count{text-align:right;font-size:.75rem;color:#718096;margin-top:.25rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid #e2e8f0;background-color:#f7fafc;border-bottom-left-radius:8px;border-bottom-right-radius:8px}.btn{padding:.625rem 1.25rem;font-size:.875rem;font-weight:600;border-radius:6px;border:none;cursor:pointer;transition:all .2s;outline:none}.btn:focus{box-shadow:0 0 0 3px #3182ce1a}.btn-primary{background-color:#3182ce;color:#fff}.btn-primary:hover{background-color:#2c5aa0}.btn-primary:active{background-color:#2a4a7c}.btn-secondary{background-color:#fff;color:#4a5568;border:1px solid #cbd5e0}.btn-secondary:hover{background-color:#f7fafc;border-color:#a0aec0}.btn-secondary:active{background-color:#edf2f7}@media(max-width:640px){.modal-content{width:95%;margin:1rem}.modal-header,.modal-body{padding:1rem}.modal-footer{padding:.75rem 1rem}}.saved-search-panel{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;max-height:400px;display:flex;flex-direction:column;overflow:hidden}.saved-search-panel-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#f8f9fa;border-bottom:1px solid #e2e8f0}.saved-search-panel-header h3{margin:0;font-size:.875rem;font-weight:600;color:#2d3748;display:flex;align-items:center}.saved-search-panel-count{background:#e2e8f0;color:#4a5568;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.saved-search-panel-close{background:none;border:none;font-size:1.25rem;color:#718096;cursor:pointer;padding:4px 8px;line-height:1;border-radius:4px;margin-left:auto}.saved-search-panel-close:hover{background:#e2e8f0;color:#2d3748}.saved-search-panel-loading{padding:16px;text-align:center;color:#718096;font-size:.8125rem}.saved-search-panel-error{padding:10px 14px;background:#fed7d7;color:#c53030;font-size:.8125rem}.saved-search-panel-empty{padding:16px 14px;text-align:center;color:#718096}.saved-search-panel-empty p{margin:0 0 6px;font-size:.8125rem}.saved-search-panel-hint{font-size:.6875rem!important;color:#a0aec0!important}.saved-search-panel-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.saved-search-item{display:flex;align-items:center;padding:10px 14px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background-color .15s ease}.saved-search-item:hover{background:#f7fafc}.saved-search-item.loading{opacity:.7;pointer-events:none}.saved-search-item:last-child{border-bottom:none}.saved-search-content{flex:1;min-width:0}.saved-search-title{font-size:.8125rem;font-weight:500;color:#2d3748;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;display:flex;align-items:center;gap:6px}.saved-search-image-icon{font-size:.75rem}.saved-search-description{font-size:.6875rem;color:#718096;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.saved-search-meta{display:flex;gap:10px;font-size:.6875rem;color:#a0aec0}.saved-search-date{color:#718096}.saved-search-slot{background:#edf2f7;padding:1px 6px;border-radius:9999px;color:#718096}.saved-search-actions{display:flex;gap:6px;align-items:center;flex-shrink:0;opacity:.4;transition:opacity .15s ease}.saved-search-item:hover .saved-search-actions{opacity:1}.saved-search-delete{background:none;border:none;padding:4px 6px;cursor:pointer;transition:opacity .15s ease;font-size:.8125rem}.saved-search-delete:hover{opacity:1!important}.saved-search-delete:disabled{cursor:not-allowed;opacity:.3}.saved-search-panel-limit-warning{padding:8px 14px;background:#fef3c7;color:#92400e;font-size:.6875rem;text-align:center;border-top:1px solid #fcd34d}.saved-search-panel-list::-webkit-scrollbar{width:6px}.saved-search-panel-list::-webkit-scrollbar-track{background:#f1f1f1}.saved-search-panel-list::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:3px}.saved-search-panel-list::-webkit-scrollbar-thumb:hover{background:#a0aec0}@media(max-width:768px){.saved-search-panel{max-height:180px}.saved-search-title{font-size:.75rem}.saved-search-meta{font-size:.625rem}}.upload-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.upload-progress-header h4{margin:0}.cancel-upload-button{background-color:#dc3545;color:#fff;border:none;padding:6px 12px;border-radius:4px;cursor:pointer!important;font-size:13px;font-weight:500;transition:background-color .2s;pointer-events:auto!important;position:relative;z-index:1000}.cancel-upload-button:hover{background-color:#c82333}.cancel-upload-button:active{background-color:#bd2130}.cancel-upload-button:disabled{opacity:1!important;cursor:pointer!important;background-color:#dc3545!important}.delete-forever-button{background-color:#dc3545;color:#fff;border:1px solid #c82333;padding:4px 8px;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .2s,border-color .2s}.delete-forever-button:hover:not(:disabled){background-color:#c82333;border-color:#bd2130}.delete-forever-button:disabled{background-color:#f8d7da;border-color:#f5c6cb;color:#721c24;cursor:not-allowed;opacity:.6}.delete-forever-button.loading{animation:spin 1s linear infinite}.files-container{padding:20px;width:100%;max-width:none;margin:0;height:100vh;max-height:100vh;overflow:hidden;display:flex;flex-direction:column}.file-name.clickable{cursor:pointer;color:#007bff;text-decoration:underline;transition:color .2s ease,opacity .2s ease}.file-name.clickable:hover{color:#0056b3;opacity:.8}.file-name.clickable:active{opacity:.6}.files-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3px;padding-bottom:2px;border-bottom:1px solid #e1e8ed;gap:3px;flex-shrink:0}.files-title-section{flex:.6}.files-title-section h2{margin:0;color:#333;font-size:20px}.files-search-section{flex:.6}.files-search-section .search-form{display:flex;gap:8px;align-items:center}.files-search-section .search-input{flex:1;padding:6px 5px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px}.files-search-section .search-input:focus{outline:none;border-color:#1890ff;box-shadow:0 0 0 2px #1890ff33}.files-stats{display:flex;gap:12px;font-size:13px;color:#666}.files-stats span{padding:4px 8px;background:#f5f7fa;border-radius:4px;border:1px solid #e1e8ed}.error-message{background:#fff2f0;border:1px solid #ffccc7;border-radius:6px;padding:12px 16px;margin-bottom:20px;color:#a8071a;position:relative}.close-error{position:absolute;right:10px;top:8px;background:none;border:none;font-size:18px;cursor:pointer;color:#a8071a}.warning-message{background:#fffbe6;border:1px solid #ffe58f;border-radius:6px;padding:12px 16px;margin-bottom:20px;color:#ad6800;position:relative;animation:fadeIn .3s ease-in}.close-warning{position:absolute;right:10px;top:8px;background:none;border:none;font-size:18px;cursor:pointer;color:#ad6800}.processing-message{background:linear-gradient(135deg,#e3f2fd,#bbdefb);border:2px solid #90caf9;border-radius:8px;padding:16px 20px;margin-bottom:20px;display:flex;align-items:center;gap:15px;animation:fadeIn .4s ease-in;box-shadow:0 2px 8px #2196f326}.processing-icon{font-size:32px;animation:pulse 2s ease-in-out infinite}.processing-text{flex:1;color:#1565c0}.processing-text strong{display:block;font-size:16px;margin-bottom:6px;color:#0d47a1}.processing-text p{margin:0;font-size:14px;line-height:1.5;color:#1976d2}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}.upload-area{border:2px dashed #d9d9d9;border-radius:6px;padding:8px 10px;text-align:center;margin-bottom:8px;background:#fafafa;transition:all .3s ease;position:relative;flex-shrink:0}.upload-area.drag-over{border-color:#1890ff;background:#f0f8ff;transform:scale(1.02)}.upload-area.uploading{opacity:.7;pointer-events:none}.upload-area.storage-full{border-color:#ff7b00;background:#fff8f0;opacity:.9}.upload-area.storage-full .storage-full-message h3{color:#cc6200;font-size:15px}.upload-area.storage-full .storage-full-message p{color:#995200}.upload-content{pointer-events:none}.upload-content.compact{padding:4px 0}.upload-icon{font-size:28px;margin-bottom:5px}.upload-area h3{margin:0 0 4px;color:#333;font-size:14px}.upload-area p{margin:3px 0;color:#666;font-size:13px}.select-files-btn{background:#1890ff;color:#fff;border:none;padding:6px 12px;border-radius:4px;cursor:pointer;font-size:14px;pointer-events:auto}.select-files-btn:hover:not(:disabled){background:#40a9ff}.select-files-btn:disabled{background:#d9d9d9;cursor:not-allowed}.upload-limits{font-size:11px!important;color:#999!important;margin-top:6px!important}.url-import-section{margin-top:8px;padding-top:8px;border-top:1px solid #e8e8e8}.url-import-label{font-size:13px;color:#666;font-weight:500;white-space:nowrap;margin-right:8px}.url-import-controls{display:flex;gap:8px;align-items:center}.url-input{flex:1;padding:6px 10px;border:1px solid #d9d9d9;border-radius:4px;font-size:13px;pointer-events:auto}.url-input:focus{outline:none;border-color:#1890ff;box-shadow:0 0 0 2px #1890ff33}.url-input:disabled{background:#f5f5f5;cursor:not-allowed}.import-url-btn{background:#52c41a;color:#fff;border:none;padding:6px 16px;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;white-space:nowrap;pointer-events:auto;transition:background-color .2s}.import-url-btn:hover:not(:disabled){background:#73d13d}.import-url-btn:disabled{background:#d9d9d9;cursor:not-allowed}.upload-progress{margin-top:20px;padding:15px;background:#f0f8ff;border-radius:6px;border:1px solid #d4edda}.upload-progress h4{margin:0 0 10px;color:#333;font-size:16px}.progress-item{display:flex;align-items:center;gap:10px;margin-bottom:8px}.progress-filename{flex:1;font-size:14px;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress-bar{flex:2;height:8px;background:#f0f0f0;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#1890ff,#40a9ff);transition:width .3s ease}.progress-percent{font-size:12px;color:#666;min-width:35px;text-align:right}.search-section{margin-bottom:20px}.search-form{display:flex;gap:10px;align-items:center}.search-input{flex:1;padding:8px 12px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px}.search-input:focus{outline:none;border-color:#1890ff;box-shadow:0 0 0 2px #1890ff33}.search-indicator{min-width:20px;text-align:center;font-size:14px;color:#1890ff;opacity:.8}.search-button,.clear-search-button{padding:8px 16px;border:1px solid #d9d9d9;border-radius:4px;background:#fff;cursor:pointer;font-size:14px}.search-button{background:#1890ff;color:#fff;border-color:#1890ff}.search-button:hover:not(:disabled){background:#40a9ff}.search-button:disabled{background:#d9d9d9;cursor:not-allowed}.clear-search-button:hover{background:#f5f5f5}.search-all-button{padding:8px 12px;border:1px solid #d9d9d9;border-radius:4px;background:#fff;cursor:pointer;font-size:16px;line-height:1;transition:all .2s ease}.search-all-button:hover:not(:disabled){background:#f0f8ff;border-color:#1890ff;color:#1890ff}.search-all-button:disabled{background:#f5f5f5;cursor:not-allowed;opacity:.6}.refresh-button{padding:8px 12px;border:1px solid #d9d9d9;border-radius:4px;background:#fff;cursor:pointer;font-size:16px;line-height:1;transition:all .2s ease}.refresh-button:hover:not(:disabled){background:#f0f8ff;border-color:#1890ff;color:#1890ff}.refresh-button:disabled{background:#f5f5f5;cursor:not-allowed;opacity:.6}.breadcrumb{margin-bottom:10px;padding:8px;background:#f5f7fa;border-radius:4px;font-size:13px}.breadcrumb-item{background:none;border:none;color:#1890ff;cursor:pointer;text-decoration:underline;font-size:14px}.breadcrumb-item:hover{color:#40a9ff}.breadcrumb-separator{margin:0 5px;color:#999}.files-list-container{border:1px solid #e1e8ed;border-radius:6px;background:#fff;margin-bottom:10px;flex:1;display:flex;flex-direction:column;min-height:300px;overflow:hidden}.files-list-header{display:flex;justify-content:flex-end;align-items:center;padding:12px 15px;background:#f5f7fa;border-bottom:1px solid #e1e8ed;border-radius:6px 6px 0 0}.files-list-header .files-stats{margin:0}.files-list-header .files-stats span{padding:4px 8px;background:#fff;border-radius:4px;border:1px solid #e1e8ed;font-size:13px}.files-list{flex:1;overflow-y:auto;background:#fff;border-radius:0 0 6px 6px;min-height:200px}.files-list::-webkit-scrollbar{width:8px}.files-list::-webkit-scrollbar-track{background:#f0f0f0;border-radius:4px}.files-list::-webkit-scrollbar-thumb{background:silver;border-radius:4px}.files-list::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.files-table-header{display:flex;align-items:center;padding:12px 15px;background:#fafafa;border-bottom:2px solid #e1e8ed;font-weight:600;font-size:14px;color:#333;position:sticky;top:0;z-index:1}.table-col-refresh{flex:0 0 40px;display:flex;align-items:center;justify-content:center;margin-right:10px}.refresh-icon{font-size:16px;color:#1890ff;cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease}.refresh-icon:hover{background:#e6f7ff;color:#40a9ff}.table-col-name{flex:2;display:flex;align-items:center;gap:10px;min-width:0;overflow:hidden}.table-col-size{flex:.8;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.sortable{cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s ease;padding:4px 8px;border-radius:4px}.sortable:hover{background:#e6f7ff;color:#1890ff}.sortable.sorted{background:#f0f8ff;color:#1890ff;font-weight:600}.table-col-date,.table-col-status{flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.table-col-actions{flex:0 0 60px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#6c757d}.table-col-folder{flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.file-row{display:flex;align-items:center;padding:12px 15px;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:background-color .2s ease;height:50px;min-height:50px;max-height:50px}.file-row:last-child{border-bottom:none}.file-row:hover{background:#f5f7fa}.folder-row{font-weight:500}.folder-row:hover{background:#e6f7ff}.file-icon{font-size:20px;min-width:24px;margin-right:8px}.file-name-container{display:flex;flex-direction:column;gap:2px;min-width:0;overflow:hidden;flex:1}.file-name{font-size:14px;color:#333;word-break:break-word;line-height:1.4}.file-folder{font-size:11px;color:#1890ff;opacity:.8}.status-folder{background:#e6f7ff;color:#1890ff;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500}.status-file,.status-success{background:#f6ffed;color:#52c41a;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500}.status-processing{background:#f0f0f0;color:#8c8c8c;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500}.status-other{background:#fffbe6;color:#faad14;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500}.delete-button{background:none;border:none;font-size:14px;cursor:pointer;padding:4px;border-radius:4px;color:#ff4d4f;opacity:.7;transition:all .2s ease}.delete-button:hover{opacity:1;background:#fff2f0}.folder-link{background:none;border:none;color:#1890ff;cursor:pointer;font-size:inherit;text-decoration:underline;padding:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.folder-link:hover{color:#40a9ff;text-decoration:none}@media(max-width:768px){.files-table-header,.file-row{font-size:13px;padding:10px 12px}.table-col-name{flex:3}.table-col-size{flex:1}.table-col-date{flex:1.2}.table-col-status{flex:1}.table-col-actions{flex:0 0 60px}.table-col-folder{flex:1.2}.file-name{font-size:13px}.file-icon{font-size:18px;min-width:20px}}.loading{text-align:center;padding:40px 20px;color:#666;font-size:16px}.empty-state{text-align:center;padding:60px 20px;color:#999}.empty-icon{font-size:64px;margin-bottom:20px}.empty-state p{margin:8px 0;font-size:16px}@media(max-width:768px){.files-container{padding:15px}.files-header{flex-direction:column;align-items:stretch;gap:15px}.files-title-section,.files-search-section{flex:none}.files-stats{flex-wrap:wrap;gap:8px}.upload-area{padding:30px 15px}.file-item{padding:12px}.file-meta{flex-direction:column;gap:4px}.search-form{flex-direction:row}.search-input{margin-bottom:0}.table-col-actions{flex:0 0 60px}}.file-action-button{background:transparent;border:none;cursor:pointer;font-size:16px;padding:4px 8px;border-radius:4px;transition:all .2s ease;min-width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center}.file-action-button:hover{background:#f1f3f4}.file-action-button.trash-button:hover{background:#ffebee;color:#d32f2f}.file-action-button.restore-button:hover{background:#e8f5e8;color:#2e7d32}.file-action-button.loading{animation:spin 1s linear infinite;opacity:.7;cursor:not-allowed}.file-action-button:disabled{cursor:not-allowed;opacity:.5}.files-title-section{flex:.6;display:flex;align-items:center}.folder-text{color:#6c757d;font-size:12px;font-style:italic}.shared-view-container{min-height:100vh;background-color:#f5f5f5;padding:20px}.shared-view-loading,.shared-view-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:40px 20px}.loading-spinner{font-size:48px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-icon{font-size:64px;margin-bottom:20px}.shared-view-error h2{color:#d32f2f;margin:20px 0 10px}.shared-view-error p{color:#666;max-width:500px;line-height:1.6;margin-bottom:30px}.shared-view-header{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px #0000001a}.header-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.header-content h1{margin:0;font-size:24px;color:#333}.back-home-button{background-color:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .2s}.back-home-button:hover{background-color:#0056b3}.shared-metadata{display:flex;gap:20px;flex-wrap:wrap;padding-top:15px;border-top:1px solid #e0e0e0;align-items:center}.metadata-item{color:#666;font-size:14px}.engagement-buttons{display:flex;gap:0;margin-left:auto;background-color:#f2f2f2;border-radius:20px;overflow:hidden}.like-button,.dislike-button,.comment-toggle-button{display:flex;align-items:center;gap:6px;padding:8px 16px;border:none;background-color:transparent;color:#606060;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.like-button:hover:not(:disabled),.dislike-button:hover:not(:disabled),.comment-toggle-button:hover{background-color:#e5e5e5}.like-button:disabled,.dislike-button:disabled{cursor:default}.like-button.active{background-color:#def1ff;color:#065fd4}.dislike-button.active{background-color:#fee2e2;color:#c00}.like-icon,.dislike-icon{font-size:18px}.like-count,.dislike-count{font-weight:500}.engagement-buttons .like-button{border-radius:20px 0 0 20px;border-right:1px solid #d9d9d9}.engagement-buttons .dislike-button{border-radius:0;border-right:1px solid #d9d9d9}.engagement-buttons .comment-toggle-button{border-radius:0 20px 20px 0}.comment-toggle-button.active{background-color:#e8f0fe;color:#1a73e8}.comment-icon{font-size:18px}.comment-count{font-weight:500}.comments-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.comments-modal{background:#fff;border-radius:12px;padding:20px;box-shadow:0 8px 32px #0000004d;width:90%;max-width:600px;max-height:80vh;display:flex;flex-direction:column}.comments-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid #e0e0e0;margin-bottom:15px}.comments-header h3{margin:0;font-size:18px;color:#333}.close-comments-button{background:none;border:none;font-size:20px;color:#666;cursor:pointer;padding:5px 10px;border-radius:4px;transition:background-color .2s}.close-comments-button:hover{background-color:#f0f0f0;color:#333}.comments-input-container{display:flex;gap:10px;margin-bottom:5px}.comment-input{flex:1;padding:10px 15px;border:1px solid #ddd;border-radius:20px;font-size:14px;outline:none;transition:border-color .2s}.comment-input:focus{border-color:#1a73e8}.comment-input:disabled{background-color:#f5f5f5;cursor:not-allowed}.submit-comment-button{padding:10px 20px;background-color:#1a73e8;color:#fff;border:none;border-radius:20px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.submit-comment-button:hover:not(:disabled){background-color:#1557b0}.submit-comment-button:disabled{background-color:#ccc;cursor:not-allowed}.comment-char-count{text-align:right;font-size:12px;color:#999;margin-bottom:15px}.comments-list{flex:1;overflow-y:auto;padding-right:5px}.no-comments{text-align:center;color:#999;padding:30px}.no-comments p{margin:0}.comment-item{padding:12px;background-color:#f9f9f9;border-radius:8px;margin-bottom:10px}.comment-item:last-child{margin-bottom:0}.comment-item .comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;padding-bottom:0;border-bottom:none}.comment-username{font-weight:600;color:#333;font-size:14px}.comment-date{font-size:12px;color:#999}.comment-text{color:#444;font-size:14px;line-height:1.5;word-wrap:break-word}.comment-actions{display:flex;gap:4px;margin-left:auto}.comment-action-button{background:none;border:none;cursor:pointer;padding:4px;font-size:14px;opacity:.6;transition:opacity .2s}.comment-action-button:hover{opacity:1}.comment-action-button.delete-btn:hover{color:#d32f2f}.comment-edit{margin-top:8px}.comment-edit-textarea{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;resize:vertical;font-size:14px;font-family:inherit;min-height:80px}.comment-edit-textarea:focus{outline:none;border-color:#1890ff}.comment-edit-actions{display:flex;gap:8px;margin-top:8px}.comment-edit-save{background-color:#1890ff;color:#fff;border:none;padding:6px 16px;border-radius:4px;cursor:pointer;font-size:13px;transition:background-color .2s}.comment-edit-save:hover{background-color:#0056b3}.comment-edit-cancel{background-color:#f0f0f0;color:#333;border:none;padding:6px 16px;border-radius:4px;cursor:pointer;font-size:13px;transition:background-color .2s}.comment-edit-cancel:hover{background-color:#ddd}.shared-view-content{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;height:calc(100vh - 180px)}.shared-chat-section{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;min-height:400px;max-height:100%;overflow-y:auto}.shared-sources-section{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;max-height:100%;overflow-y:auto}@media(max-width:1024px){.shared-view-content{grid-template-columns:1fr}.shared-sources-section{position:relative;top:auto;max-height:none}}@media(max-width:768px){.shared-view-container{padding:10px}.header-content{flex-direction:column;gap:15px;align-items:flex-start}.header-content h1{font-size:20px}.shared-metadata{flex-direction:column;gap:10px;align-items:flex-start}.engagement-buttons{margin-left:0;margin-top:10px}.shared-chat-section,.shared-sources-section{padding:15px}}.shared-search-results{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;max-width:1600px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.shared-search-results .source-item{border:1px solid #e0e0e0;border-radius:8px;padding:16px;background:#fafafa;transition:box-shadow .2s;display:flex;flex-direction:column;height:100%}.shared-search-results .source-item:hover{box-shadow:0 4px 8px #0000001a}.shared-search-results .source-header{margin-bottom:12px}.shared-search-results .file-name{font-weight:600;font-size:14px}.shared-search-results .page-info{font-size:12px;color:#666}.shared-search-results .relevance-score{font-size:12px;color:#1890ff;font-weight:500}.shared-search-results .source-content{display:flex;gap:16px;flex:1}.shared-search-results .thumbnail-container{flex-shrink:0;width:180px;height:240px;border:1px solid #ddd;border-radius:4px;overflow:hidden;cursor:pointer;transition:transform .2s}.shared-search-results .thumbnail-container:hover{transform:scale(1.02);box-shadow:0 4px 12px #00000026}.shared-search-results .thumbnail-image{width:100%;height:100%;object-fit:contain}.shared-search-results .thumbnail-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background-color:#f5f5f5}.shared-search-results .placeholder-content{text-align:center;color:#999}.shared-search-results .placeholder-icon{font-size:48px;margin-bottom:8px}.shared-search-results .content-preview{flex:1;min-width:0}.shared-search-results .content-text{font-size:13px;line-height:1.6;color:#333;max-height:240px;overflow-y:auto;padding:8px;background:#fff;border:1px solid #e0e0e0;border-radius:4px}.shared-search-results .content-text mark{background-color:#ff0;padding:2px 4px;border-radius:3px;font-weight:700}@media(max-width:1200px){.shared-search-results{grid-template-columns:1fr}}@media(max-width:768px){.shared-search-results{padding:15px;gap:12px}.shared-search-results .source-item{padding:12px}.shared-search-results .thumbnail-container{height:180px}.shared-search-results .content-text{max-height:120px;font-size:11px}}.header-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.back-button{background-color:#6c757d;color:#fff;border:none;padding:10px 16px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .2s}.back-button:hover{background-color:#5a6268}.action-button{background-color:#f8f9fa;color:#333;border:1px solid #dee2e6;padding:10px 16px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.action-button:hover{background-color:#e9ecef;border-color:#adb5bd}.action-button:disabled{opacity:.6;cursor:not-allowed}.print-button:hover{background-color:#e3f2fd;border-color:#2196f3;color:#1976d2}.share-button:hover{background-color:#e8f5e9;border-color:#4caf50;color:#388e3c}.delete-button:hover{background-color:#ffebee;border-color:#f44336;color:#d32f2f}.share-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.share-dialog{background:#fff;border-radius:12px;padding:20px;box-shadow:0 8px 32px #0000004d;width:90%;max-width:500px}.share-dialog-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid #e0e0e0;margin-bottom:15px}.share-dialog-header h3{margin:0;font-size:18px;color:#333}.close-dialog-button{background:none;border:none;font-size:20px;color:#666;cursor:pointer;padding:5px 10px;border-radius:4px;transition:background-color .2s}.close-dialog-button:hover{background-color:#f0f0f0;color:#333}.share-dialog-content p{margin:0 0 15px;color:#666}.share-link-container{display:flex;gap:10px}.share-link-input{flex:1;padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;background-color:#f5f5f5}.copy-link-button{padding:10px 16px;background-color:#1890ff;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s;white-space:nowrap}.copy-link-button:hover{background-color:#0056b3}@media print{.shared-view-header{display:block!important;padding:10px;box-shadow:none;border-bottom:1px solid #ccc;margin-bottom:20px}.header-actions,.engagement-buttons{display:none!important}.shared-view-container{padding:0;background:#fff;min-height:auto!important}.shared-view-content{display:block!important;grid-template-columns:1fr!important;height:auto!important;overflow:visible!important}.shared-chat-section,.shared-sources-section{box-shadow:none;border:none;max-height:none!important;height:auto!important;overflow:visible!important;page-break-inside:avoid}.message-item{page-break-inside:avoid}.shared-sources-section{page-break-before:auto}.shared-chat-section *{overflow:visible!important;max-height:none!important}.comments-overlay,.share-dialog-overlay{display:none!important}}@media(max-width:768px){.header-actions{width:100%;justify-content:flex-start;margin-top:10px}.back-button,.action-button{padding:8px 12px;font-size:13px}}
