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.toolbar-button:disabled:hover{background:transparent;color:#e7eceb40}.toolbar-button.active{background:#10b9811f;color:#059669}.toolbar-button.active:hover{background:#10b9812e}.app.dark-mode .toolbar-button.active{background:#78fcd626;color:#78fcd6}.app.dark-mode .toolbar-button.active:hover{background:#78fcd638}.toolbar-button.add-node{color:#4b5563}.toolbar-button.add-node:hover{background:#0000000f;color:#1f2937}.app.dark-mode .toolbar-button.add-node{color:#78fcd6}.app.dark-mode .toolbar-button.add-node:hover{background:#78fcd626;color:#00ffb6}.toolbar-button.add-image{color:#4b5563}.toolbar-button.add-image:hover{background:#0000000f;color:#1f2937}.app.dark-mode .toolbar-button.add-image{color:#78fcd6}.app.dark-mode .toolbar-button.add-image:hover{background:#78fcd633;color:#00ffb6}.toolbar-button.preview{color:#059669}.toolbar-button.preview:hover{background:#0596691a;color:#047857}.app.dark-mode .toolbar-button.preview{color:#78fcd6}.app.dark-mode .toolbar-button.preview:hover{background:#78fcd626;color:#00ffb6}.toolbar-button.dark-mode-toggle.is-dark{color:#6b7280}.toolbar-button.dark-mode-toggle.is-dark:hover{background:#0000000f;color:#4b5563}.toolbar-button.dark-mode-toggle.is-light{color:#6b7280}.toolbar-button.dark-mode-toggle.is-light:hover{background:#0000000f;color:#4b5563}.app.dark-mode .toolbar-button.dark-mode-toggle.is-dark{color:#e7ecebb3}.app.dark-mode .toolbar-button.dark-mode-toggle.is-dark:hover{background:#78fcd61a;color:#e7eceb}.toolbar-github-link{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;font-size:12px;font-weight:500;color:#4b5563d9;text-decoration:none;border-radius:8px;transition:color .15s ease,background .15s ease}.toolbar-github-link:hover{color:#374151;background:#0000000d}.toolbar-github-link svg{flex-shrink:0;opacity:.8}.app.dark-mode .toolbar-github-link{color:#e7eceb80}.app.dark-mode .toolbar-github-link:hover{color:#e7ecebd9;background:#78fcd60f}.app.dark-mode .toolbar-github-link svg{opacity:.7}@media(max-width:600px){.floating-toolbar{padding:6px 10px;gap:2px;top:12px}.toolbar-row{gap:2px}.toolbar-button{width:32px;height:32px}.toolbar-button svg{width:16px;height:16px}.toolbar-icon-image{width:16px;height:16px}.toolbar-separator{height:20px;margin:0 4px}.toolbar-github-link span{display:none}.toolbar-github-link{padding:6px 8px}}@media(max-width:480px){.floating-toolbar{padding:5px 8px;gap:4px;top:8px;max-width:calc(100vw - 16px);flex-wrap:wrap;border-radius:16px;justify-content:center}.toolbar-row{gap:2px}.toolbar-button{width:30px;height:30px;flex-shrink:0}.toolbar-button svg{width:15px;height:15px}.toolbar-separator{height:18px;margin:0 3px;flex-shrink:0}.toolbar-group{gap:1px;flex-shrink:0}}@media(max-width:360px){.floating-toolbar{padding:4px 6px;gap:3px;top:6px;max-width:calc(100vw - 12px)}.toolbar-row{gap:1px}.toolbar-button{width:28px;height:28px}.toolbar-button svg{width:14px;height:14px}.toolbar-separator{height:16px;margin:0 2px}}.export-wrapper{position:relative}.export-dropdown{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);background:#fffffffa;border:1px solid #e5e7eb;border-radius:10px;padding:6px;min-width:180px;box-shadow:0 4px 20px #0000001f,0 0 1px #00000014;z-index:200;animation:slideIn .15s ease-out;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.app.dark-mode .export-dropdown{background:#1e2120fa;border-color:#78fcd633;box-shadow:0 4px 20px #00000080,0 0 40px #78fcd60f}.export-option{display:block;width:100%;padding:8px 12px;background:transparent;border:none;border-radius:6px;color:#374151;font-size:13px;font-weight:500;text-align:left;cursor:pointer;transition:background .15s ease,color .15s ease}.export-option:hover{background:#0000000f;color:#1f2937}.app.dark-mode .export-option{color:#e7ecebd9}.app.dark-mode .export-option:hover{background:#78fcd61a;color:#e7eceb}.export-divider{height:1px;background:#00000014;margin:4px 6px}.app.dark-mode .export-divider{background:#ffffff14}.export-gif-section{padding:4px 0}.export-gif-row{display:flex;align-items:center;gap:6px;padding:4px 12px 8px}.export-gif-label{font-size:12px;color:#6b7280;font-weight:500}.app.dark-mode .export-gif-label{color:#e7eceb80}.export-gif-input{width:48px;padding:4px 6px;border:1px solid #d1d5db;border-radius:6px;font-size:13px;font-weight:500;text-align:center;background:#fff;color:#374151;outline:none;transition:border-color .15s ease}.export-gif-input:focus{border-color:#10b981}.app.dark-mode .export-gif-input{background:#ffffff0f;border-color:#ffffff1f;color:#e7eceb}.app.dark-mode .export-gif-input:focus{border-color:#78fcd680}.export-gif-unit{font-size:12px;color:#6b7280}.app.dark-mode .export-gif-unit{color:#e7eceb80}.export-gif-btn{color:#059669!important;font-weight:600!important}.export-gif-btn:hover{background:#05966914!important;color:#047857!important}.app.dark-mode .export-gif-btn{color:#78fcd6!important}.app.dark-mode .export-gif-btn:hover{background:#78fcd61a!important;color:#00ffb6!important}.export-import-btn{color:#4b5563!important}.export-import-btn:hover{background:#0000000f!important;color:#1f2937!important}.app.dark-mode .export-import-btn{color:#e7ecebb3!important}.app.dark-mode .export-import-btn:hover{background:#78fcd61a!important;color:#e7eceb!important}.export-progress{padding:12px 16px;text-align:center;font-size:13px;font-weight:500;color:#374151}.app.dark-mode .export-progress{color:#e7ecebd9}.export-error{padding:4px 12px 6px;font-size:12px;color:#dc2626;text-align:center}.app.dark-mode .export-error{color:#ef4444}.toolbar-button.export{color:#4b5563}.toolbar-button.export:hover{background:#0000000f;color:#1f2937}.app.dark-mode .toolbar-button.export{color:#e7ecebb3}.app.dark-mode .toolbar-button.export:hover{background:#78fcd61a;color:#e7eceb}.confirm-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.app.dark-mode .confirm-overlay{background:#000000b3}.confirm-dialog{background:#fff;border-radius:12px;padding:24px;max-width:400px;width:90%;box-shadow:0 8px 32px #0003;animation:slideIn .2s ease-out}.app.dark-mode .confirm-dialog{background:#1e2120fa;border:1px solid rgba(120,252,214,.2);box-shadow:0 8px 32px #0009,0 0 60px #78fcd61a}.confirm-title{margin:0 0 8px;font-size:18px;font-weight:600;color:#1f2937}.app.dark-mode .confirm-title{color:#e7eceb}.confirm-body{margin:0 0 24px;font-size:14px;color:#6b7280;line-height:1.5}.app.dark-mode .confirm-body{color:#e7ecebb3}.confirm-actions{display:flex;gap:12px;justify-content:flex-end}.confirm-button{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease;border:none;outline:none}.confirm-button:active{transform:scale(.97)}.confirm-cancel{background:#0000000f;color:#4b5563}.confirm-cancel:hover{background:#0000001a;color:#1f2937}.app.dark-mode .confirm-cancel{background:#ffffff14;color:#e7ecebcc}.app.dark-mode .confirm-cancel:hover{background:#ffffff1f;color:#e7eceb}.confirm-delete{background:#dc2626;color:#fff}.confirm-delete:hover{background:#b91c1c}.app.dark-mode .confirm-delete{background:#ef4444;color:#fff}.app.dark-mode .confirm-delete:hover{background:#dc2626}.image-picker-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.app.dark-mode .image-picker-overlay{background:#000000b3}.image-picker-dialog{background:#fff;border-radius:16px;width:90%;max-width:900px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 12px 48px #0003;animation:slideIn .2s ease-out}.image-picker-dialog.preview-dialog{max-width:500px}.app.dark-mode .image-picker-dialog{background:#1e2120fa;border:1px solid rgba(120,252,214,.2);box-shadow:0 12px 48px #0009,0 0 60px #78fcd61a}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.image-picker-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid rgba(0,0,0,.08)}.app.dark-mode .image-picker-header{border-bottom-color:#ffffff14}.image-picker-back{display:flex;align-items:center;gap:6px;padding:8px 12px;background:transparent;color:#6b7280;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .15s ease}.image-picker-back:hover{background:#0000000f;color:#1f2937}.app.dark-mode .image-picker-back{color:#e7ecebb3}.app.dark-mode .image-picker-back:hover{background:#ffffff14;color:#78fcd6}.image-picker-title{margin:0;font-size:18px;font-weight:600;color:#1f2937;flex:1;text-align:center}.preview-dialog .image-picker-title{text-align:center}.app.dark-mode .image-picker-title{color:#e7eceb}.image-picker-close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background:#0000000f;color:#6b7280;border:none;border-radius:8px;cursor:pointer;transition:all .15s ease}.image-picker-close:hover{background:#0000001a;color:#1f2937}.app.dark-mode .image-picker-close{background:#ffffff14;color:#e7ecebb3}.app.dark-mode .image-picker-close:hover{background:#ffffff1f;color:#e7eceb}.image-picker-tabs{display:flex;gap:4px;padding:12px 24px 0;border-bottom:1px solid rgba(0,0,0,.08)}.app.dark-mode .image-picker-tabs{border-bottom-color:#ffffff14}.image-picker-tab{display:flex;align-items:center;gap:8px;padding:12px 20px;background:transparent;color:#6b7280;border:none;border-bottom:2px solid transparent;cursor:pointer;font-size:14px;font-weight:500;transition:all .15s ease}.image-picker-tab svg{opacity:.7}.image-picker-tab:hover{color:#1f2937}.image-picker-tab:hover svg{opacity:1}.image-picker-tab.active{color:#00a67d;border-bottom-color:#00a67d}.image-picker-tab.active svg{opacity:1}.app.dark-mode .image-picker-tab{color:#e7ecebb3}.app.dark-mode .image-picker-tab:hover{color:#e7eceb}.app.dark-mode .image-picker-tab.active{color:#78fcd6;border-bottom-color:#78fcd6}.image-picker-content{flex:1;min-height:0;display:flex;overflow:hidden}.library-panel,.upload-panel{width:100%;flex:1;min-height:0;display:flex;flex-direction:column}.library-controls{padding:16px 24px;display:flex;gap:12px;border-bottom:1px solid rgba(0,0,0,.08)}.app.dark-mode .library-controls{border-bottom-color:#ffffff14}.library-search-wrapper{flex:1;position:relative;display:flex;align-items:center}.library-search-icon{position:absolute;left:12px;color:#9ca3af;pointer-events:none}.app.dark-mode .library-search-icon{color:#e7eceb66}.library-search{width:100%;padding:10px 14px 10px 36px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;color:#1f2937;transition:all .15s ease}.library-search:focus{outline:none;border-color:#78fcd6;box-shadow:0 0 0 3px #78fcd626}.library-search:focus+.library-search-icon,.library-search-wrapper:focus-within .library-search-icon{color:#78fcd6}.library-search::placeholder{color:#9ca3af}.app.dark-mode .library-search{background:#ffffff0d;border-color:#ffffff1a;color:#e7eceb}.app.dark-mode .library-search:focus{border-color:#78fcd6;box-shadow:0 0 0 3px #78fcd61a}.app.dark-mode .library-search::placeholder{color:#e7eceb66}.library-dropdown{position:relative;min-width:180px}.library-dropdown-trigger{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:10px 14px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;color:#1f2937;cursor:pointer;transition:all .15s ease}.library-dropdown-trigger:hover{border-color:#d1d5db}.library-dropdown-trigger:focus{outline:none;border-color:#78fcd6;box-shadow:0 0 0 3px #78fcd626}.app.dark-mode .library-dropdown-trigger{background:#ffffff0d;border-color:#ffffff1a;color:#e7eceb}.app.dark-mode .library-dropdown-trigger:hover{border-color:#fff3}.app.dark-mode .library-dropdown-trigger:focus{border-color:#78fcd6;box-shadow:0 0 0 3px #78fcd61a}.library-dropdown-text{display:flex;align-items:center;gap:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-dropdown-star{flex-shrink:0;color:#f59e0b}.app.dark-mode .library-dropdown-star{color:#fbbf24}.library-dropdown-arrow{flex-shrink:0;transition:transform .2s ease}.library-dropdown-arrow.open{transform:rotate(180deg)}.library-dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;right:0;max-height:300px;overflow-y:auto;background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 10px 40px #00000026;z-index:100;animation:dropdownFadeIn .15s ease-out}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.app.dark-mode .library-dropdown-menu{background:#1e2120fa;border-color:#78fcd633;box-shadow:0 10px 40px #00000080}.library-dropdown-menu::-webkit-scrollbar{width:8px}.library-dropdown-menu::-webkit-scrollbar-track{background:transparent}.library-dropdown-menu::-webkit-scrollbar-thumb{background:#00000026;border-radius:4px}.app.dark-mode .library-dropdown-menu::-webkit-scrollbar-thumb{background:#ffffff26}.library-dropdown-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 14px;background:transparent;border:none;color:#4b5563;font-size:14px;text-align:left;cursor:pointer;transition:all .1s ease}.library-dropdown-item-label{display:flex;align-items:center;gap:6px}.library-dropdown-item.popular-item{border-bottom:1px solid rgba(0,0,0,.06)}.app.dark-mode .library-dropdown-item.popular-item{border-bottom-color:#ffffff0f}.library-dropdown-item:hover{background:#78fcd614;color:#1f2937}.library-dropdown-item.selected{background:#78fcd61f;color:#00a67d;font-weight:500}.app.dark-mode .library-dropdown-item{color:#e7ecebcc}.app.dark-mode .library-dropdown-item:hover{background:#78fcd61a;color:#e7eceb}.app.dark-mode .library-dropdown-item.selected{background:#78fcd626;color:#78fcd6}.library-grid{flex:1;min-height:0;overflow-y:auto;padding:20px 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:16px;align-content:start}.library-grid::-webkit-scrollbar{width:8px}.library-grid::-webkit-scrollbar-track{background:transparent}.library-grid::-webkit-scrollbar-thumb{background:#00000026;border-radius:4px}.library-grid::-webkit-scrollbar-thumb:hover{background:#00000040}.app.dark-mode .library-grid::-webkit-scrollbar-thumb{background:#ffffff26}.app.dark-mode .library-grid::-webkit-scrollbar-thumb:hover{background:#ffffff40}.library-empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 20px;color:#9ca3af;font-size:15px;font-weight:500}.library-empty svg{opacity:.5}.library-empty-hint{font-size:13px;font-weight:400;opacity:.7}.app.dark-mode .library-empty{color:#e7eceb80}.library-item{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 10px 12px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;cursor:pointer;transition:all .15s ease}.library-item:hover{background:#78fcd61f;border-color:#78fcd6;transform:translateY(-2px);box-shadow:0 4px 12px #78fcd633}.library-item-icon{width:72px;height:72px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.library-item-icon img{width:100%;height:100%;object-fit:contain}.library-item-name{font-size:11px;font-weight:500;color:#4b5563;text-align:center;line-height:1.3;max-width:100%;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-word}.library-item:hover .library-item-name{color:#1f2937}.app.dark-mode .library-item{background:#ffffff0d;border-color:#ffffff1a}.app.dark-mode .library-item:hover{background:#78fcd61a;border-color:#78fcd6;box-shadow:0 4px 12px #78fcd633}.app.dark-mode .library-item-name{color:#e7ecebb3}.app.dark-mode .library-item:hover .library-item-name{color:#e7eceb}.library-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;border-top:1px solid rgba(0,0,0,.08);color:#6b7280;font-size:13px;font-weight:500}.library-footer-count{color:#4b5563}.library-footer-source{display:flex;align-items:center;gap:6px;font-size:12px;color:#9ca3af;text-decoration:none;transition:color .15s ease}.library-footer-source:hover{color:#00a67d}.library-footer-source svg{opacity:.7}.library-footer-source:hover svg{opacity:1}.app.dark-mode .library-footer{border-top-color:#ffffff14;color:#e7eceb99}.app.dark-mode .library-footer-count{color:#e7ecebcc}.app.dark-mode .library-footer-source{color:#e7eceb66}.app.dark-mode .library-footer-source:hover{color:#78fcd6}.preview-content{flex:1;display:flex;flex-direction:column;align-items:center;padding:32px 24px;gap:24px}.preview-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 10px 12px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px}.app.dark-mode .preview-card{background:#ffffff0d;border-color:#ffffff1a}.preview-card-icon{width:72px;height:72px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.preview-card-icon img{width:100%;height:100%;object-fit:contain}.preview-card-label{font-size:11px;font-weight:500;color:#4b5563;text-align:center;line-height:1.3;max-width:100px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-word}.app.dark-mode .preview-card-label{color:#e7ecebb3}.preview-details{display:flex;flex-direction:column;gap:12px;width:100%}.preview-category{display:flex;align-items:center;gap:8px}.preview-category-badge{display:inline-flex;padding:4px 10px;background:#78fcd61a;color:#00a67d;font-size:12px;font-weight:500;border-radius:20px;border:1px solid rgba(120,252,214,.2)}.app.dark-mode .preview-category-badge{background:#78fcd61a;color:#78fcd6;border-color:#78fcd64d}.preview-label-title{font-size:13px;font-weight:600;color:#374151;margin-bottom:4px}.app.dark-mode .preview-label-title{color:#e7ecebe6}.preview-label-input{width:100%;padding:12px 16px;background:#f9fafb;border:1px solid #e5e7eb;border-radius:10px;font-size:15px;color:#1f2937;transition:all .15s ease}.preview-label-input:focus{outline:none;border-color:#78fcd6;box-shadow:0 0 0 3px #78fcd626}.preview-label-input::placeholder{color:#9ca3af}.app.dark-mode .preview-label-input{background:#ffffff0d;border-color:#ffffff1a;color:#e7eceb}.app.dark-mode .preview-label-input:focus{border-color:#78fcd6;box-shadow:0 0 0 3px #78fcd61a}.app.dark-mode .preview-label-input::placeholder{color:#e7eceb66}.preview-hint{font-size:12px;color:#9ca3af;margin:0}.app.dark-mode .preview-hint{color:#e7eceb80}.preview-actions{display:flex;gap:12px;padding:20px 24px;border-top:1px solid rgba(0,0,0,.08)}.app.dark-mode 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