*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f1f5f9;--color-surface:#fff;--color-sidebar:#0f172a;--color-sidebar-hover:#1e293b;--color-sidebar-active:#1e3a5f;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#dbeafe;--color-danger:#ef4444;--color-danger-hover:#dc2626;--color-warning:#f59e0b;--color-success:#10b981;--color-text:#1e293b;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-border-dark:#334155;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 12px 40px #0000002e;--toolbar-h:56px;--sidebar-w:220px;color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5}html,body,#root{height:100%}.app{background:var(--color-bg);flex-direction:column;height:100vh;display:flex;overflow:hidden}.toolbar{height:var(--toolbar-h);background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);z-index:20;flex-shrink:0;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.toolbar-left{align-items:center;gap:16px;display:flex}.toolbar-brand{align-items:center;gap:9px;display:flex}.brand-icon{flex-shrink:0}.toolbar-name{color:var(--color-text);letter-spacing:-.3px;font-size:15px;font-weight:700}.toolbar-pagecount{color:var(--color-text-muted);background:var(--color-bg);border:1px solid var(--color-border);border-radius:20px;padding:2px 10px;font-size:12px}.toolbar-actions{align-items:center;gap:8px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;transition:background .12s,color .12s,box-shadow .12s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:not(:disabled):hover{background:var(--color-primary-hover);box-shadow:0 2px 8px #2563eb59}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover,.btn-secondary.active{background:var(--color-bg);border-color:var(--color-text-muted)}.btn-ghost{color:var(--color-text-muted);background:0 0;border-color:#0000}.btn-ghost:hover{color:var(--color-danger);background:#fee2e2}.split-wrapper{position:relative}.split-popover{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);width:260px;box-shadow:var(--shadow-md);z-index:50;padding:14px;position:absolute;top:calc(100% + 8px);right:0}.split-label{color:var(--color-text-muted);margin-bottom:8px;font-size:12px}.split-row{gap:8px;display:flex}.split-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);outline:none;flex:1;padding:6px 10px;font-size:13px;transition:border-color .12s}.split-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb26}.layout{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--color-sidebar);border-right:1px solid var(--color-border-dark);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--color-border-dark);justify-content:space-between;align-items:center;padding:14px 16px 10px;display:flex}.sidebar-title{text-transform:uppercase;letter-spacing:.8px;color:#94a3b8;font-size:11px;font-weight:600}.sidebar-count{color:#64748b;background:#1e293b;border-radius:10px;padding:1px 7px;font-size:11px}.sidebar-files{scrollbar-width:thin;scrollbar-color:#334155 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0;border:none;justify-content:center;align-items:center;width:24px;height:24px;transition:background .1s,color .1s;display:inline-flex}.icon-btn:hover{color:#e2e8f0;background:#ffffff1a}.icon-btn.danger:hover{color:var(--color-danger);background:#ef444433}.dropzone-compact{border-radius:var(--radius-sm);color:#94a3b8;cursor:pointer;border:1px dashed #334155;justify-content:center;align-items:center;gap:7px;width:100%;padding:8px;font-size:12px;font-weight:500;transition:all .15s;display:flex}.dropzone-compact:hover,.dropzone-compact.active{border-color:var(--color-primary);color:#93c5fd;background:#2563eb14}.dropzone-main{border:2px dashed var(--color-border);border-radius:var(--radius-lg);cursor:pointer;background:var(--color-surface);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;width:100%;max-width:420px;padding:52px 32px;transition:all 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p{color:var(--color-text-muted);text-align:center;font-size:13px}.no-pages{height:200px;color:var(--color-text-muted);justify-content:center;align-items:center;font-size:14px;display:flex}.processing-banner{background:var(--color-primary-light);border-radius:var(--radius-sm);color:var(--color-primary);border:1px solid #bfdbfe;align-items:center;gap:10px;margin-bottom:16px;padding:8px 14px;font-size:13px;display:flex}.page-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;display:grid}.page-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);cursor:default;-webkit-user-select:none;user-select:none;flex-direction:column;transition:box-shadow .12s,border-color .12s,transform 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.2s;display:block}.page-thumbnail-placeholder{justify-content:center;align-items:center;width:100%;height:180px;display:flex}.page-footer{background:var(--color-surface);border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:6px 8px;display:flex}.page-num{color:var(--color-text-muted);font-size:11px;font-weight:600}.page-actions{opacity:0;gap:2px;transition:opacity .12s;display:flex}.page-card:hover .page-actions{opacity:1}.page-btn{width:22px;height:22px;color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:background .1s,color .1s;display:inline-flex}.page-btn:hover{background:var(--color-bg);color:var(--color-text)}.page-btn.danger:hover{color:var(--color-danger);background:#fee2e2}.page-doc-label{color:var(--color-text-muted);background:var(--color-bg);border-top:1px solid var(--color-border);text-overflow:ellipsis;white-space:nowrap;padding:3px 8px;font-size:10px;overflow:hidden}@keyframes spin{to{transform:rotate(360deg)}}.page-loading-ring{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:28px;height:28px;animation:.75s linear infinite spin}.page-loading-ring.large{border-width:4px;width:48px;height:48px}.spin{animation:1s linear infinite spin}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b8;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-box{border-radius:var(--radius-lg);width:100%;max-width:900px;max-height:90vh;box-shadow:var(--shadow-lg);background:#0f172a;flex-direction:column;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid #1e293b;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.modal-title{color:#94a3b8;text-overflow:ellipsis;white-space:nowrap;max-width:400px;font-size:13px;overflow:hidden}.modal-controls{align-items:center;gap:4px;display:flex}.zoom-label{color:#64748b;text-align:center;min-width:38px;font-size:12px}.modal-controls .icon-btn{color:#64748b}.modal-controls .icon-btn:hover{color:#e2e8f0;background:#1e293b}.modal-body{flex:1;align-items:center;min-height:300px;display:flex;overflow:hidden}.modal-nav{color:#475569;cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:100%;transition:color .12s,background .12s;display:flex}.modal-nav:hover:not(:disabled){color:#e2e8f0;background:#ffffff0d}.modal-nav:disabled{opacity:.2;cursor:default}.modal-img-wrap{flex:1;justify-content:center;align-items:center;min-height:300px;padding:24px;display:flex;overflow:auto}.modal-loading{justify-content:center;align-items:center;padding:60px;display:flex}@keyframes slideIn{0%{opacity:0;transform:translate(-50%)translateY(20px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.toast{border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:200;pointer-events:none;white-space:nowrap;align-items:center;gap:10px;padding:10px 18px;font-size:13px;font-weight:500;animation:.2s slideIn;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast-success{color:#6ee7b7;background:#064e3b}.toast-error{color:#fca5a5;background:#450a0a}.toast-warning{color:#fcd34d;background:#451a03}.toast-info{color:#93c5fd;background:#1e3a5f}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.tools-panel{background:var(--color-surface);border-left:1px solid var(--color-border);flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow:hidden}.tools-panel-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.tools-panel-title{color:var(--color-text);letter-spacing:-.2px;font-size:13px;font-weight:600}.tools-tabs{border-bottom:1px solid var(--color-border);flex-direction:column;gap:2px;padding:6px;display:flex}.tool-tab{border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:8px;padding:7px 10px;font-size:12px;font-weight:500;transition:background .1s,color .1s;display:flex}.tool-tab:hover{background:var(--color-bg);color:var(--color-text)}.tool-tab.active{background:var(--color-primary-light);color:var(--color-primary)}.tools-body{scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent;flex:1;padding:14px;overflow-y:auto}.tool-form{flex-direction:column;gap:12px;display:flex}.tool-field{flex-direction:column;gap:5px;display:flex}.tool-label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.tool-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);width:100%;color:var(--color-text);background:var(--color-surface);outline:none;padding:7px 9px;font-size:13px;transition:border-color .12s}.tool-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1f}.tool-range{width:100%;accent-color:var(--color-primary);cursor:pointer}.tool-check{color:var(--color-text);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:7px;font-size:13px;display:flex}.tool-hint{color:var(--color-text-muted);font-size:11px;line-height:1.4}.tool-form-footer{flex-direction:column;gap:8px;margin-top:4px;display:flex}.tool-disabled-note{color:var(--color-text-muted);background:var(--color-bg);border-radius:var(--radius-sm);text-align:center;padding:8px 10px;font-size:12px}.w-full{justify-content:center;width:100%}.btn-sm{padding:5px 10px;font-size:12px}.extract-actions{gap:8px;display:flex}.tool-textarea{border:1px solid var(--color-border);border-radius:var(--radius-sm);width:100%;color:var(--color-text);background:var(--color-bg);resize:vertical;outline:none;padding:8px 10px;font-family:Menlo,Monaco,Consolas,monospace;font-size:11.5px;line-height:1.5}.compress-badge{border-radius:var(--radius-sm);text-align:center;padding:6px 10px;font-size:12px;font-weight:600}.compress-badge.positive{color:#065f46;background:#ecfdf5}.compress-badge.neutral{background:var(--color-bg);color:var(--color-text-muted)}.img2pdf-drop{border:2px dashed var(--color-border);border-radius:var(--radius-md);cursor:pointer;text-align:center;color:var(--color-text-muted);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:20px 12px;font-size:13px;transition:all .15s;display:flex}.img2pdf-drop:hover,.img2pdf-drop.active{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary)}.img2pdf-drop small{opacity:.7;font-size:11px}.img2pdf-list{scrollbar-width:thin;flex-direction:column;gap:6px;max-height:280px;display:flex;overflow-y:auto}.img2pdf-item{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);align-items:center;gap:8px;padding:6px 8px;display:flex}.img2pdf-thumb{object-fit:cover;border-radius:4px;flex-shrink:0;width:36px;height:36px}.img2pdf-meta{flex:1;min-width:0;overflow:hidden}.img2pdf-name{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;font-size:11px;display:block;overflow:hidden}.img2pdf-index{color:var(--color-text-muted);font-size:10px;display:block}.img2pdf-actions{flex-shrink:0;gap:2px;display:flex}@media (width<=640px){.sidebar{width:180px}.page-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}.toolbar-name{display:none}}