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.2s;display:flex;position:relative}.signature-upload-area:hover{border-color:var(--accent);background:var(--accent-bg)}.signature-upload-input{opacity:0;cursor:pointer;position:absolute;inset:0}.signature-upload-preview{object-fit:contain;max-width:100%;max-height:160px}.signature-modal-footer{border-top:1px solid var(--border);background:var(--code-bg);justify-content:flex-end;gap:12px;padding:20px 24px;display:flex}.merger-container{box-sizing:border-box;flex-direction:column;flex:1;width:100%;max-width:800px;margin:0 auto;padding:24px;display:flex}.merger-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.merger-title{color:var(--text-h);margin:0;font-size:24px}.merger-file-list{flex-direction:column;gap:12px;margin-bottom:24px;display:flex}.merger-file-item{background:var(--code-bg);border:1px solid var(--border);cursor:grab;border-radius:8px;align-items:center;gap:16px;padding:16px;transition:transform .2s,box-shadow .2s;display:flex}.merger-file-item:active{cursor:grabbing}.merger-file-item.dragging{opacity:.5;box-shadow:0 4px 12px #0000001a}.drag-handle{color:var(--text);cursor:inherit;display:flex}.file-info{flex:1;min-width:0}.file-name{color:var(--text-h);white-space:nowrap;text-overflow:ellipsis;margin:0 0 4px;font-size:15px;font-weight:500;overflow:hidden}.file-size{color:var(--text);margin:0;font-size:13px}.file-remove{color:#ef4444;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:8px;transition:background .2s;display:flex}.file-remove:hover{background:#ef44441a}.merger-add-more{border:2px dashed var(--border);text-align:center;cursor:pointer;background:0 0;border-radius:8px;margin-bottom:32px;padding:24px;transition:all .2s;position:relative}.merger-add-more:hover,.merger-add-more.drag-over{border-color:var(--accent);background:var(--accent-bg)}.merger-add-input{opacity:0;cursor:pointer;position:absolute;inset:0}.merger-actions{border-top:1px solid var(--border);justify-content:flex-end;gap:16px;padding-top:24px;display:flex}.splitter-grid-item-container{position:relative}.splitter-grid-item-container.selected .thumbnail-image{outline:4px solid var(--accent);outline-offset:-2px}.splitter-grid-item-container.selected .page-number{background:var(--accent);color:#fff}.splitter-selection-overlay{pointer-events:none;opacity:0;background:#8b5cf633;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:absolute;inset:0}.splitter-grid-item-container.selected .splitter-selection-overlay{opacity:1}.splitter-selection-icon{background:var(--accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;display:flex;box-shadow:0 4px 12px #0000004d}.splitter-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.splitter-toolbar{background:var(--code-bg);border:1px solid var(--border);border-radius:8px;align-items:center;gap:16px;padding:12px 24px;display:flex}.splitter-range-input{background:var(--bg);border:1px solid var(--border);color:var(--text-h);border-radius:6px;width:200px;padding:8px 12px;font-family:inherit}.splitter-range-input:focus{border-color:var(--accent);outline:none}.splitter-select-actions{gap:8px;display:flex}.btn-small{color:var(--text);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:4px;padding:6px 12px;font-size:13px;transition:all .2s}.btn-small:hover{background:var(--bg);color:var(--text-h)}.watermark-layout{width:100%;height:calc(100vh - 73px);display:flex}.watermark-sidebar{background:var(--bg);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:320px;display:flex;overflow-y:auto}.watermark-sidebar-header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:20px;display:flex}.watermark-sidebar-header h2{color:var(--text-h);margin:0;font-size:18px}.watermark-controls{flex-direction:column;gap:24px;padding:20px;display:flex}.control-group{flex-direction:column;gap:8px;display:flex}.control-group label{color:var(--text-h);justify-content:space-between;font-size:14px;font-weight:500;display:flex}.control-group label span{color:var(--text);font-weight:400}.watermark-text-input{background:var(--code-bg);border:1px solid var(--border);width:100%;color:var(--text-h);box-sizing:border-box;border-radius:6px;padding:10px 12px;font-size:15px}.watermark-text-input:focus{border-color:var(--accent);outline:none}.watermark-slider{width:100%;accent-color:var(--accent);cursor:pointer}.watermark-sidebar-footer{border-top:1px solid var(--border);margin-top:auto;padding:20px}.watermark-preview-area{background:var(--code-bg);flex:1;padding:32px;overflow-y:auto}.watermark-overlay-container{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0;overflow:hidden}.watermark-overlay-text{color:#000;white-space:nowrap;pointer-events:none;position:absolute}@media (width<=768px){.watermark-layout{flex-direction:column-reverse}.watermark-sidebar{border-right:none;border-top:1px solid var(--border);width:100%;max-height:50vh}.watermark-preview-area{padding:16px}}