.splitter-tool{width:100%}.dropzone{border-radius:var(--radius);text-align:center;color:#666;cursor:pointer;border:2px dashed #ccc;justify-content:center;align-items:center;min-height:160px;padding:1.5rem;transition:background .15s,border-color .15s;display:flex}.dropzone:hover,.dropzone.dragover{background:#f7f7f7;border-color:#999}.dropzone p{margin:0}.file-info{border-radius:var(--radius);background:#fafafa;border:1px solid #ddd;justify-content:space-between;align-items:center;gap:1rem;margin-top:1rem;padding:.85rem 1rem;display:flex}.file-info #pageCountLabel{color:#666;margin-top:.15rem;font-size:.85rem;display:block}.thumb-grid{border-radius:var(--radius);border:1px solid #eee;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:.6rem;max-height:420px;margin-top:1rem;padding:.5rem;display:grid;overflow-y:auto}.thumb{cursor:default;background:#fafafa;border:2px solid #0000;border-radius:8px;flex-direction:column;align-items:center;gap:.3rem;padding:.4rem;display:flex}.thumb canvas{background:#fff;border:1px solid #ddd;max-width:100%;height:auto}.thumb span{color:#666;font-size:.75rem}.thumb.selectable{cursor:pointer}.thumb.selectable:hover{border-color:#bbb}.thumb.selected{background:#eaf1fd;border-color:#1a73e8}.mode-section{margin-top:1.5rem}.mode-tabs{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.mode-tab{font:inherit;border-radius:var(--radius);cursor:pointer;background:#fff;border:1px solid #ccc;padding:.55rem .9rem;font-size:.9rem;transition:background .15s,border-color .15s}.mode-tab:hover{background:#f0f0f0}.mode-tab.active{color:#fff;background:#1a1a1a;border-color:#1a1a1a}.mode-panel label{margin-bottom:.5rem;font-weight:600;display:block}.mode-panel input[type=text],.mode-panel input[type=number]{font:inherit;border-radius:var(--radius);border:1px solid #ccc;width:100%;max-width:360px;padding:.7rem}.inline-field{align-items:center;gap:.6rem;display:flex}.inline-field input[type=number]{width:100px;max-width:100px}.hint{color:#666;margin:.5rem 0 0;font-size:.85rem}.tool-actions{flex-wrap:wrap;gap:.75rem;margin-top:1.25rem;display:flex}.tool-actions button{font:inherit;border-radius:var(--radius);cursor:pointer;padding:.7rem 1.2rem}.results-section{border-top:1px solid #eee;margin-top:1.5rem;padding-top:1.25rem}#resultsSummary{margin:0;font-size:.95rem}@media (width<=600px){.file-info{flex-direction:column;align-items:flex-start}.tool-actions{flex-direction:column}.tool-actions button{width:100%}}