:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-secondary:#64748b;--color-success:#10b981;--color-danger:#ef4444;--color-warning:#f59e0b;--color-bg-page:#f1f5f9;--color-bg-section:#fff;--color-bg-elevated:#fff;--color-bg-subtle:#f8fafc;--color-bg-hover:#f1f5f9;--color-text:#1e293b;--color-text-secondary:#64748b;--color-text-muted:#94a3b8;--color-border:#e2e8f0;--color-border-hover:#cbd5e1;--color-code-bg:#0f172a;--color-code-text:#e2e8f0;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1)}[data-theme=dark]{--color-bg-page:#0f172a;--color-bg-section:#1e293b;--color-bg-elevated:#334155;--color-bg-subtle:#1e293b;--color-bg-hover:#334155;--color-text:#f1f5f9;--color-text-secondary:#cbd5e1;--color-text-muted:#94a3b8;--color-border:#334155;--color-border-hover:#475569;--color-code-bg:#020617;--color-code-text:#e2e8f0;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,.4);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.5)}body{background-color:var(--color-bg-page);color:var(--color-text);transition:background-color .3s ease,color .3s ease}.btn-primary,.btn-secondary,.category-tab,.input-textarea,.modal-content,.output-content,.output-select,.pipeline-section,.theme-toggle,.transformer-button,.transformer-card,.transformer-search-input{transition:background-color .3s ease,color .3s ease,border-color .3s ease,transform .2s ease}.pipeline-section{background:var(--color-bg-section);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-sm)}.pipeline-section-header{font-size:1.125rem;font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--color-primary)}.pipeline-section-header-icon{width:1.5rem;height:1.5rem;color:var(--color-primary)}.input-section{position:relative}.input-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text);margin-bottom:var(--spacing-sm)}.input-actions{position:absolute;top:0;right:0;display:flex;gap:var(--spacing-xs)}.input-textarea{width:100%;padding:var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;line-height:1.5;resize:vertical;transition:all .2s}.input-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.input-meta{display:flex;justify-content:flex-end;gap:var(--spacing-md);margin-top:var(--spacing-sm);font-size:.75rem;color:var(--color-text-light)}.transformer-selector-search{margin-bottom:var(--spacing-md)}.transformer-search-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;background:var(--color-bg-section);color:var(--color-text)}.transformer-search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.transformer-categories{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);flex-wrap:wrap}.category-tab{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;cursor:pointer;transition:all .2s;color:var(--color-text)}.category-tab:hover{background:var(--color-bg-hover);border-color:var(--color-primary)}.category-tab.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.transformer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));grid-gap:var(--spacing-sm);gap:var(--spacing-sm)}.transformer-button{padding:var(--spacing-md);background:var(--color-bg-section);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;cursor:pointer;transition:all .2s;text-align:left;display:flex;flex-direction:column;gap:var(--spacing-xs)}.transformer-button:hover{background:var(--color-bg-hover);border-color:var(--color-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.transformer-button-icon{font-size:1.25rem}.transformer-button-name{font-weight:500;color:var(--color-text)}.pipeline-flow{display:flex;flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-bg-subtle);border-radius:var(--radius-md);min-height:100px}.pipeline-empty-state{text-align:center;padding:var(--spacing-xl);color:var(--color-text-secondary)}.pipeline-empty-state-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.3}.transformer-card{background:var(--color-bg-section);border:2px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-md);position:relative;transition:all .2s}.transformer-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.transformer-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-sm)}.transformer-card-title{display:flex;align-items:center;gap:var(--spacing-sm);font-weight:600;color:var(--color-text)}.transformer-card-step{display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;background:var(--color-primary);color:#fff;border-radius:50%;font-size:.75rem;font-weight:600}.transformer-card-actions{display:flex;gap:var(--spacing-xs)}.transformer-card-button{padding:var(--spacing-xs) var(--spacing-sm);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.75rem;color:var(--color-text);cursor:pointer;transition:all .2s}.transformer-card-button:hover{background:var(--color-bg-hover);border-color:var(--color-primary);color:var(--color-text)}.transformer-card-button--danger{color:var(--color-danger);border-color:var(--color-danger)}.transformer-card-button--danger:hover{background:var(--color-danger);color:#fff}.transformer-card-details{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.transformer-card-arrow{text-align:center;color:var(--color-text-secondary);font-size:1.5rem;margin:var(--spacing-sm) 0}.output-section{position:relative}.output-header{justify-content:space-between;margin-bottom:var(--spacing-md)}.output-actions,.output-header{display:flex;align-items:center}.output-actions{gap:var(--spacing-sm)}.output-select{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;background:var(--color-bg-section);color:var(--color-text);cursor:pointer}.output-select:focus{outline:none;border-color:var(--color-primary)}.output-button{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:var(--spacing-xs)}.output-button:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md)}.output-button--success{background:var(--color-success)}.output-content{background:var(--color-code-bg);color:var(--color-code-text);padding:var(--spacing-lg);border-radius:var(--radius-md);overflow-x:auto;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;line-height:1.6;max-height:600px;overflow-y:auto}.output-content pre{margin:0;white-space:pre-wrap;word-wrap:break-word}.output-content-html{background:var(--color-bg-section);color:var(--color-text);border:1px solid var(--color-border)}.btn-primary{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md)}.btn-secondary{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-section);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-primary)}.btn-small{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.theme-toggle{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;background:var(--color-bg-section);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:all .3s ease;padding:0}.theme-toggle:hover{background:var(--color-bg-hover);border-color:var(--color-primary);transform:rotate(15deg) scale(1.05)}.theme-toggle:active{transform:rotate(15deg) scale(.95)}.theme-toggle:focus{outline:2px solid var(--color-primary);outline-offset:2px}.theme-toggle:focus:not(:focus-visible){outline:none}.theme-icon{font-size:1.25rem;display:flex;align-items:center;justify-content:center;transition:transform .3s ease}.theme-toggle:hover .theme-icon{transform:scale(1.1)}@media (max-width:768px){:root{--spacing-lg:1rem;--spacing-xl:1.5rem}.pipeline-section{padding:var(--spacing-md);margin-bottom:var(--spacing-md)}.pipeline-section-header{font-size:1rem}.transformer-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.transformer-button{padding:var(--spacing-sm)}.transformer-categories{gap:var(--spacing-xs)}.category-tab{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.transformer-card{padding:var(--spacing-sm)}.transformer-card-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.transformer-card-actions{width:100%;justify-content:flex-start}.transformer-card-button{font-size:.7rem;padding:var(--spacing-xs)}.output-header{flex-direction:column;gap:var(--spacing-sm);align-items:flex-start}.output-actions{width:100%;justify-content:flex-start}.output-button,.output-select{flex:1 1}.input-textarea{font-size:.8rem;padding:var(--spacing-sm)}.input-meta{font-size:.7rem;gap:var(--spacing-sm)}.btn-primary,.btn-secondary{font-size:.8rem;padding:var(--spacing-xs) var(--spacing-sm)}.modal-content{width:95%;padding:var(--spacing-md)}}@media (max-width:480px){.transformer-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.transformer-card-title{font-size:.875rem}.transformer-card-step{width:1.5rem;height:1.5rem;font-size:.7rem}.output-content{font-size:.75rem;padding:var(--spacing-sm);max-height:400px}}.upload-section{background-color:#f8f9fa}.select-section,.upload-section{margin-bottom:24px;padding:16px;border-radius:8px;border:1px solid #e9ecef}.edit-section,.select-section{background-color:#fff}.edit-section{padding:16px;border-radius:8px;border:1px solid #e9ecef}.section-header{font-size:20px;font-weight:700;margin-bottom:12px;color:#333;border-bottom:2px solid #007bff;padding-bottom:8px}.edit-subsection{margin-bottom:16px;padding:12px;background-color:#f8f9fa;border-radius:6px;border:1px solid #e9ecef}.subsection-header{font-size:16px;font-weight:600;margin-bottom:8px;color:#495057}.filter-builder{background-color:#f8f9fa}.filter-checkbox{padding:4px 8px;border-radius:4px;background-color:transparent;border:1px solid transparent;display:inline-block;transition:all .2s ease}.filter-checkbox.selected{background-color:#e3f2fd;border:1px solid #2196f3}.filter-input{margin-left:4px}.apply-filters-btn{background-color:#4caf50;color:#fff;border:none;padding:6px 12px;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.apply-filters-btn:hover{background-color:#45a049}.code-block{display:block;word-break:break-all;white-space:pre-wrap;background-color:#f5f5f5;padding:8px;border-radius:4px;border:1px solid #ddd;font-size:12px;max-width:100%;overflow-wrap:break-word;font-family:Courier New,Courier,monospace}.copy-btn{background-color:#2196f3;color:#fff;border:none;padding:4px 8px;border-radius:4px;cursor:pointer;font-size:12px;margin-left:8px;transition:background-color .2s ease}.copy-btn:hover{background-color:#1976d2}.copy-btn.copied{background-color:#4caf50}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--color-bg-section);color:var(--color-text);padding:24px;border-radius:8px;max-width:400px;width:90%;box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.modal-buttons{display:flex;gap:12px;margin-top:16px;justify-content:flex-end}.btn-cancel{background-color:var(--color-bg-subtle);color:var(--color-text);border:1px solid var(--color-border);border-radius:4px}.btn-cancel,.btn-delete{padding:8px 16px;cursor:pointer}.btn-delete{background-color:var(--color-danger);color:#fff;border:none;border-radius:4px}.btn-delete:hover{background-color:#d32f2f}.btn-cancel:hover{background-color:var(--color-bg-hover)}.upload-progress{margin-top:12px;padding:8px;background-color:#f8f9fa;border-radius:4px;border:1px solid #e9ecef}.progress-item{display:flex;align-items:center;justify-content:space-between;padding:4px 0;border-bottom:1px solid #e9ecef}.progress-item:last-child{border-bottom:none}.progress-filename{flex:1 1;font-size:14px;color:#495057;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:12px}.progress-status{font-size:12px;padding:2px 6px;border-radius:3px;font-weight:500}.progress-status.pending{background-color:#e9ecef;color:#6c757d}.progress-status.uploading{background-color:#cce5ff;color:#06c}.progress-status.completed{background-color:#d4edda;color:#155724}.progress-status.error{background-color:#f8d7da;color:#721c24}@media (max-width:768px){.section-header{font-size:18px}.subsection-header{font-size:14px}.edit-section,.select-section,.upload-section{margin-bottom:16px;padding:12px}.edit-subsection{margin-bottom:12px;padding:8px}.code-block{font-size:10px;padding:6px}.copy-btn{position:static!important;margin-top:8px;margin-left:0;display:block;width:100%}}