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12px}.import-settings,.export-settings{display:grid;gap:12px;margin:12px 0}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.preview-header h3{margin:0}.preview-table-wrapper{max-height:240px;overflow:auto;border:1px solid var(--border);border-radius:6px}.preview-table{width:100%;border-collapse:collapse}.preview-table td{border:1px solid var(--border);padding:4px 6px;font-size:12px}.parse-progress{margin:16px 0}.parse-progress .progress-bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden}.parse-progress .progress-fill{height:100%;background:#3b82f6;border-radius:4px;transition:width .2s ease}.parse-progress .progress-text{margin-top:8px;font-size:14px;color:#6b7280;text-align:center}.error-text{color:#dc2626;font-size:13px}.warning-text{color:#b45309;font-size:13px}.empty-state,.panel-empty{padding:16px;color:var(--text-muted)}.hint-text{color:var(--text-muted);font-size:13px}.tool-section{padding:12px;border:1px solid var(--border);border-radius:8px;background:#f8fafc}.tool-row{display:flex;gap:8px;flex-wrap:wrap}@media(max-width:900px){.app-main{grid-template-columns:1fr}.right-panel-area{min-height:320px}}button,input,textarea,select{font:inherit}.search-box{display:flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid var(--border);border-radius:6px;background:#fff}.search-box input{border:none;outline:none;min-width:160px}.search-count{color:var(--text-muted);font-size:12px}.search-toggle{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-muted)}.context-menu{position:fixed;background:var(--panel-bg);border:1px solid var(--border);border-radius:6px;box-shadow:0 4px 12px #00000026;z-index:100;min-width:160px;padding:4px 0}.context-menu-item{padding:8px 16px;cursor:pointer;font-size:14px}.context-menu-item:hover{background:#f1f5f9}.context-menu-separator{height:1px;background:var(--border);margin:4px 0}.context-menu-item.selected{font-weight:600}.context-menu-item .filter-radio{margin-right:8px;font-size:10px}.right-panel-header{display:flex;align-items:center;padding:12px;border-bottom:1px solid var(--border);background:#f8fafc}.right-panel-nav{display:flex;align-items:center;gap:12px;width:100%}.back-button{padding:4px 8px;border:1px solid var(--border);background:#fff;border-radius:4px;cursor:pointer;font-size:13px;color:#2563eb}.back-button:hover{background:#f1f5f9}.right-panel-title{font-weight:600;font-size:14px;display:flex;align-items:center;gap:8px}.target-column-badge{font-weight:400;font-size:12px;background:#e0f2fe;color:#0369a1;padding:2px 8px;border-radius:4px}.history-list{display:flex;flex-direction:column;gap:4px}.history-item{padding:8px 12px;border:1px solid var(--border);border-radius:4px;cursor:pointer;transition:background .15s}.history-item:hover{background:#f1f5f9}.history-item.current{background:var(--cell-selected);font-weight:600;cursor:default}.history-item-content{display:flex;justify-content:space-between;align-items:center}.history-item-info{font-size:12px;color:var(--text-muted)}.target-column-label{padding:8px 12px;margin-bottom:12px;background:#e0f2fe;border-radius:6px;font-size:13px;color:#0369a1}@keyframes target-blink{0%,to{background:#f1f5f9}50%{background:#bae6fd}}.data-grid th.target-blink{animation:target-blink 1s ease-in-out infinite}.panel-undo-section{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.undo-button{width:100%;padding:8px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;color:#dc2626;cursor:pointer}.undo-button:hover{background:#fee2e2}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.section-header h3{margin:0}.columns-list{display:flex;flex-direction:column;gap:4px}.column-item{display:grid;grid-template-columns:auto 1fr auto auto;grid-template-rows:auto auto;gap:2px 6px;padding:6px;border:1px solid var(--border);border-radius:4px;background:#fff;font-size:12px;align-items:center}.column-item>.column-visibility-label{grid-row:1 / 3;grid-column:4;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer}.column-visibility-label input[type=checkbox]{margin:0}.column-visibility-label .visibility-text{font-size:10px;color:var(--text-muted)}.column-item>.column-drag-handle{grid-row:1 / 3;grid-column:1;align-self:stretch;display:flex;align-items:center}.column-item .column-index{grid-row:1;grid-column:2}.column-item .column-name{grid-row:2;grid-column:2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.column-item .column-name-input{grid-row:2;grid-column:2}.column-item .column-item-actions{grid-row:1;grid-column:3;display:flex;gap:4px;align-items:center}.column-item.hidden{opacity:.5;background:#f8fafc}.column-item.dragging{opacity:.5;background:#dbeafe}.column-item.drag-over{box-shadow:inset 0 -3px #3b82f6}.column-drag-handle{cursor:grab;color:var(--text-muted);-webkit-user-select:none;user-select:none;font-size:14px;padding:0 2px}.column-drag-handle:active{cursor:grabbing}.column-name{flex:1;font-weight:500}.column-index{font-size:12px;color:var(--text-muted)}.column-name-input{flex:1;border:1px solid var(--border);border-radius:4px;padding:4px 8px}.add-column-form{display:flex;flex-direction:column;gap:8px}.add-column-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.add-column-form input,.add-column-form select{padding:6px 8px;border:1px solid var(--border);border-radius:4px}.normalize-form{display:flex;flex-direction:column;gap:12px}.normalize-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.normalize-form input,.normalize-form select{padding:6px 8px;border:1px solid var(--border);border-radius:4px;font-size:14px}.normalize-form input.input-error{border-color:#dc2626}.error-text{color:#dc2626;font-size:12px}.normalize-select{width:100%}.split-mode-options{display:flex;gap:16px;margin-bottom:8px}.radio-option{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:13px}.radio-option input[type=radio]{margin:0;cursor:pointer}.menu-button.primary{background:#3b82f6;color:#fff;border-color:#3b82f6}.menu-button.primary:hover:not(:disabled){background:#2563eb;border-color:#2563eb}.normalize-progress{margin-top:12px;display:flex;flex-direction:column;gap:6px}.progress-bar{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:#3b82f6;border-radius:4px;transition:width .1s ease-out}.progress-text{font-size:12px;color:#6b7280;text-align:center}.normalize-result{padding:12px;border-radius:6px;background:#f0fdf4;border:1px solid #bbf7d0}.normalize-result.has-failures{background:#fef3c7;border-color:#fcd34d}.result-stats{display:flex;gap:16px;font-size:14px;font-weight:500}.success-count{color:#16a34a}.failure-count{color:#dc2626}.result-hint{margin-top:8px;font-size:12px;color:var(--text-muted)}.save-pattern-form{display:flex;flex-direction:column;gap:8px}.save-pattern-form input{padding:6px 8px;border:1px solid var(--border);border-radius:4px}.pattern-list{margin-top:12px;display:flex;flex-direction:column;gap:4px}.pattern-list h4{margin:0 0 8px;font-size:13px;color:var(--text-muted)}.pattern-item{display:flex;justify-content:space-between;align-items:center;padding:8px;border:1px solid var(--border);border-radius:4px;background:#f8fafc}.pattern-name{font-size:13px}.link-button.danger{color:#dc2626}.link-button.danger:hover{color:#b91c1c}@keyframes normalize-warning{0%,to{background-color:#fef2f2}50%{background-color:#fecaca}}.cell-input.normalize-failed{animation:normalize-warning 1s ease-in-out infinite}.section-header.collapsible{cursor:pointer;-webkit-user-select:none;user-select:none}.section-header.collapsible:hover{background:#f1f5f9;margin:-4px;padding:4px;border-radius:4px}.collapse-icon{display:inline-block;font-size:10px;margin-right:6px;transition:transform .2s ease}.collapse-icon.open{transform:rotate(90deg)}.section-header-actions{display:flex;align-items:center;gap:8px}.icon-button{width:24px;height:24px;padding:0;border:1px solid var(--border);border-radius:4px;background:#f1f5f9;font-size:16px;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#475569}.icon-button:hover{background:#e2e8f0;color:#1e293b}.duplicate-result{padding:12px;border-radius:6px;background:#f0fdf4;border:1px solid #bbf7d0;margin:8px 0}.duplicate-result.has-duplicates{background:#fef3c7;border-color:#fcd34d}.duplicate-result p{margin:0 0 4px;font-size:14px}.duplicate-result p:last-child{margin-bottom:0}.keep-mode-options{display:flex;flex-direction:column;gap:8px;margin:8px 0}.menu-button.danger{color:#dc2626;border-color:#fecaca}.menu-button.danger:hover{background:#fef2f2;border-color:#dc2626}.vlookup-data-area{border:2px dashed var(--border);border-radius:6px;min-height:150px;cursor:pointer;outline:none;margin:8px 0;background:#fafafa}.vlookup-data-area:focus{border-color:#3b82f6;background:#f0f7ff}.vlookup-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:150px;color:var(--text-muted);text-align:center;gap:4px}.vlookup-placeholder p{margin:0}.vlookup-table-container{padding:8px}.vlookup-table{width:100%;border-collapse:collapse;font-size:12px}.vlookup-table th,.vlookup-table td{border:1px solid var(--border);padding:4px 8px;text-align:left;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vlookup-table th{background:#f1f5f9;font-weight:500}.vlookup-header-label{display:flex;align-items:center;gap:4px;cursor:pointer}.vlookup-header-label input[type=checkbox]{margin:0}.key-column{color:#2563eb;font-weight:600}.vlookup-more-rows td{text-align:center;color:var(--text-muted);font-style:italic}.vlookup-clear-button{margin-top:8px;padding:4px 8px;font-size:12px;border:1px solid var(--border);border-radius:4px;background:#fff;cursor:pointer}.vlookup-clear-button:hover{background:#f1f5f9}.vlookup-preview{padding:12px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;margin:8px 0}.vlookup-preview.has-warning{background:#fef3c7;border-color:#fcd34d}.vlookup-preview p{margin:0;font-size:14px}.vlookup-warning{color:#b45309;font-size:12px;margin-top:4px!important}.vlookup-spreadsheet{display:flex;flex-direction:column}.vlookup-toolbar{display:flex;gap:8px;padding:8px;background:#f8fafc;border-bottom:1px solid var(--border)}.vlookup-add-row{padding:4px 12px;font-size:12px;border:1px solid var(--border);border-radius:4px;background:#fff;cursor:pointer}.vlookup-add-row:hover{background:#f1f5f9}.vlookup-clear-btn{padding:4px 12px;font-size:12px;border:1px solid #fecaca;border-radius:4px;background:#fff;color:#dc2626;cursor:pointer}.vlookup-clear-btn:hover{background:#fef2f2}.vlookup-table-wrapper{max-height:250px;overflow:auto}.vlookup-spreadsheet-table{width:100%;border-collapse:collapse;font-size:12px;table-layout:fixed}.vlookup-spreadsheet-table thead{position:sticky;top:0;z-index:1}.vlookup-spreadsheet-table th{background:#f1f5f9;border:1px solid var(--border);padding:0;position:relative;vertical-align:middle}.vlookup-col-header{min-width:80px}.vlookup-header-content{display:flex;align-items:center;gap:4px;padding:4px 8px}.vlookup-header-input{flex:1;border:none;background:transparent;font-size:12px;font-weight:500;min-width:0;padding:2px 4px}.vlookup-header-input:focus{outline:none;background:#fff;border-radius:2px}.vlookup-resize-handle{position:absolute;right:0;top:0;bottom:0;width:4px;cursor:col-resize;background:transparent}.vlookup-resize-handle:hover{background:#3b82f6}.vlookup-row-actions-header{width:32px;min-width:32px;max-width:32px}.vlookup-row-actions{width:32px;min-width:32px;max-width:32px;text-align:center;background:#f8fafc;border:1px solid var(--border)}.vlookup-delete-row{width:20px;height:20px;padding:0;border:none;background:transparent;color:#94a3b8;cursor:pointer;font-size:12px;line-height:1}.vlookup-delete-row:hover{color:#dc2626}.vlookup-spreadsheet-table td{border:1px solid var(--border);padding:0}.vlookup-cell-input{width:100%;border:none;padding:4px 8px;font-size:12px;background:transparent;box-sizing:border-box}.vlookup-cell-input:focus{outline:2px solid #3b82f6;outline-offset:-2px;background:#fff}.key-column-badge{background:#dbeafe;color:#1d4ed8;padding:2px 6px;border-radius:4px;font-size:10px;font-weight:600;white-space:nowrap}.vlookup-row-count{padding:6px 8px;font-size:11px;color:var(--text-muted);text-align:right;border-top:1px solid var(--border);background:#f8fafc}.regex-guide{margin:8px 0;font-size:12px}.regex-guide summary{cursor:pointer;color:var(--text-muted);-webkit-user-select:none;user-select:none}.regex-guide summary:hover{color:#0f172a}.regex-guide-table{width:100%;margin-top:8px;border-collapse:collapse}.regex-guide-table td{padding:4px 8px;border-bottom:1px solid var(--border)}.regex-guide-table td:first-child{width:60px}.regex-guide-table code{background:#f1f5f9;padding:2px 6px;border-radius:3px;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:11px}.merge-order-section{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.merge-order-section h4{margin:0 0 8px;font-size:12px;font-weight:500;color:var(--text-muted)}.merge-order-list{display:flex;flex-direction:column;gap:4px}.merge-order-item{display:flex;align-items:center;gap:8px;padding:6px 8px;background:#f8fafc;border:1px solid var(--border);border-radius:4px;font-size:12px}.merge-order-number{font-weight:600;color:var(--text-muted);min-width:20px}.merge-order-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.merge-order-buttons{display:flex;gap:2px}.order-button{width:24px;height:24px;padding:0;border:1px solid var(--border);border-radius:4px;background:#fff;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center}.order-button:hover:not(:disabled){background:#f1f5f9}.order-button:disabled{opacity:.4;cursor:not-allowed}.order-button.remove{color:#dc2626}.order-button.remove:hover:not(:disabled){background:#fef2f2}