:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--bg-elevated:#fff;--border-color:#e2e8f0;--border-hover:#cbd5e1;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent-primary:#2563eb;--accent-hover:#1d4ed8;--accent-light:#eff6ff;--accent-glow:#2563eb26;--danger:#ef4444;--danger-hover:#dc2626;--danger-light:#fef2f2;--success:#10b981;--success-light:#ecfdf5;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s ease}[data-theme=dark],.dark{--bg-primary:#0b0f19;--bg-secondary:#111827;--bg-tertiary:#1f2937;--bg-elevated:#1e293b;--border-color:#2e384d;--border-hover:#3f4d67;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#3b82f6;--accent-hover:#2563eb;--accent-light:#3b82f61f;--accent-glow:#3b82f640;--danger:#f87171;--danger-hover:#ef4444;--danger-light:#ef44441f;--shadow-sm:0 1px 2px 0 #0006;--shadow-md:0 4px 6px -1px #00000080;--shadow-lg:0 10px 15px -3px #0009}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0}html,body{background-color:var(--bg-primary);width:100%;height:100%;color:var(--text-primary);-webkit-user-select:none;user-select:none;font-family:-apple-system,BlinkMacSystemFont,Cairo,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}#app-root{flex-direction:column;width:100vw;height:100vh;display:flex;position:relative}.app-header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:30;flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 16px;display:flex}.app-tools-bar{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:25;flex-shrink:0;align-items:center;padding:6px 16px;display:flex;overflow-x:auto}.app-props-bar{background-color:var(--bg-tertiary);border-bottom:1px solid var(--border-color);z-index:20;flex-shrink:0;align-items:center;padding:6px 16px;display:flex;overflow-x:auto}.app-workspace{background-color:var(--bg-primary);flex:1;display:flex;position:relative;overflow:hidden}.app-sidebar{background-color:var(--bg-secondary);border-inline-end:1px solid var(--border-color);z-index:15;width:220px;transition:width var(--transition-normal);flex-direction:column;flex-shrink:0;display:flex}.app-viewport{flex:1;justify-content:center;align-items:flex-start;padding:32px;display:flex;position:relative;overflow:auto}.canvas-wrapper{box-shadow:var(--shadow-xl);border-radius:var(--radius-sm);transition:box-shadow var(--transition-normal);background:#fff;margin:auto;display:block;position:relative}.canvas-wrapper:hover{box-shadow:0 25px 35px -5px #0003}#pdf-render-canvas{border-radius:var(--radius-sm);z-index:1;display:block;position:relative}.canvas-wrapper .canvas-container{border-radius:var(--radius-sm);z-index:10!important;pointer-events:auto!important;position:absolute!important;top:0!important;left:0!important}.canvas-wrapper .canvas-container canvas{border-radius:var(--radius-sm);position:absolute!important;top:0!important;left:0!important}.app-footer{background-color:var(--bg-secondary);border-top:1px solid var(--border-color);z-index:30;height:42px;color:var(--text-secondary);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 16px;font-size:13px;display:flex}.hidden{display:none!important}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:7px 14px;font-size:13px;font-weight:500;display:inline-flex}.btn-primary{background-color:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.btn-primary:hover{background-color:var(--accent-hover);box-shadow:0 2px 8px var(--accent-glow)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background-color:var(--border-hover)}.btn-ghost{color:var(--text-secondary);background-color:#0000}.btn-ghost:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-sm{padding:5px 10px;font-size:12px}.btn-lg{padding:10px 20px;font-size:15px}.btn-icon{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}.btn-icon:hover:not(:disabled){background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-icon:disabled{opacity:.35;cursor:not-allowed}.btn-icon.active{background-color:var(--accent-light);color:var(--accent-primary);border-color:#3b82f64d}.text-danger{color:var(--danger)!important}.toast-container{z-index:1000;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:54px;right:24px}[dir=rtl] .toast-container{left:24px;right:auto}.toast-item{background-color:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);pointer-events:auto;align-items:center;gap:10px;min-width:280px;max-width:420px;padding:12px 18px;font-size:13px;font-weight:500;animation:.3s cubic-bezier(.16,1,.3,1) toastEnter;display:flex}.toast-item.toast-success{border-inline-start:4px solid var(--success)}.toast-item.toast-error{border-inline-start:4px solid var(--danger)}.toast-item.toast-warning{border-inline-start:4px solid #f59e0b}.toast-item.toast-info{border-inline-start:4px solid var(--accent-primary)}.toast-icon{flex-shrink:0;width:18px;height:18px}.toast-success .toast-icon{color:var(--success)}.toast-error .toast-icon{color:var(--danger)}.toast-warning .toast-icon{color:#f59e0b}.toast-info .toast-icon{color:var(--accent-primary)}.toast-text{flex:1}.toast-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:18px}.toast-exit{animation:.3s cubic-bezier(.16,1,.3,1) forwards toastExit}@keyframes toastEnter{0%{opacity:0;transform:translateY(16px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes toastExit{0%{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(16px)scale(.95)}}.pdf-text-layer{z-index:5;opacity:1;-webkit-user-select:text;user-select:text;pointer-events:auto;line-height:1;position:absolute;inset:0;overflow:hidden}.pdf-text-layer span,.pdf-text-layer br{color:#0000;white-space:pre;cursor:text;transform-origin:0 0;position:absolute}.pdf-text-layer ::selection{background:#2563eb47}.canvas-wrapper{position:relative}.canvas-wrapper #pdf-render-canvas{z-index:1;display:block;position:absolute;top:0;left:0}.canvas-wrapper .canvas-container{z-index:10!important;position:absolute!important;top:0!important;left:0!important}.header-left{align-items:center;gap:16px;display:flex}.brand-badge{align-items:center;gap:10px;font-size:16px;font-weight:700;display:flex}.brand-logo{flex-shrink:0}.brand-name{background:linear-gradient(135deg,#ef4444,#3b82f6);-webkit-text-fill-color:transparent;letter-spacing:-.3px;-webkit-background-clip:text}.doc-title-box{align-items:center;display:flex}.doc-title-input{border-radius:var(--radius-sm);color:var(--text-primary);max-width:220px;transition:all var(--transition-fast);text-align:start;direction:rtl;unicode-bidi:isolate;background:0 0;border:1px solid #0000;padding:4px 8px;font-size:13px;font-weight:500}.doc-title-input:hover,.doc-title-input:focus{background-color:var(--bg-tertiary);border-color:var(--border-color);outline:none}.header-center{align-items:center;gap:10px;display:flex}.search-box{background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);align-items:center;gap:4px;padding:2px 6px;display:flex}.search-input{color:var(--text-primary);background:0 0;border:none;outline:none;width:110px;font-size:12px}.search-count{color:var(--text-muted);white-space:nowrap;font-size:11px}.op-dropdown{position:relative}.op-dropdown-menu{background-color:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;flex-direction:column;gap:2px;min-width:200px;margin-top:6px;padding:6px;display:flex;position:absolute;top:100%;left:0}[dir=rtl] .op-dropdown-menu{left:auto;right:0}.op-dropdown-item{border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;text-align:start;width:100%;transition:background-color var(--transition-fast);background:0 0;border:none;align-items:center;gap:10px;padding:8px 12px;font-size:13px;display:flex}.op-dropdown-item:hover{background-color:var(--accent-light);color:var(--accent-primary)}.header-right{align-items:center;gap:12px;display:flex}.action-btn-group{background-color:var(--bg-tertiary);border-radius:var(--radius-sm);align-items:center;gap:2px;padding:2px;display:flex}.btn-download{background:linear-gradient(135deg,#2563eb,#1d4ed8);font-weight:600;box-shadow:0 4px 12px #2563eb40}.btn-download:hover{background:linear-gradient(135deg,#1d4ed8,#1e40af);box-shadow:0 4px 16px #2563eb66}.tools-list{align-items:center;gap:6px;width:100%;display:flex}.tool-btn{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;background:0 0;border:1px solid #0000;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;display:flex}.tool-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.tool-btn.active{background-color:var(--accent-light);color:var(--accent-primary);box-shadow:0 1px 3px var(--accent-glow);border-color:#3b82f659}.props-strip{align-items:center;gap:16px;width:100%;font-size:12px;display:flex}.props-group{align-items:center;gap:8px;display:flex}.props-label{color:var(--text-muted);font-weight:500}.props-separator{background-color:var(--border-color);width:1px;height:20px}.color-palette-wrap{align-items:center;gap:5px;display:flex}.color-swatch{cursor:pointer;width:20px;height:20px;transition:transform var(--transition-fast);border:2px solid #0000;border-radius:50%}.color-swatch:hover{transform:scale(1.15)}.color-swatch.active{border-color:var(--accent-primary);transform:scale(1.15);box-shadow:0 0 0 2px #3b82f64d}.native-color-input{cursor:pointer;background:0 0;border:none;border-radius:50%;width:22px;height:22px;padding:0}.stroke-widths-wrap{align-items:center;gap:4px;display:flex}.stroke-width-btn{border-radius:var(--radius-sm);width:26px;height:26px;color:var(--text-secondary);cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;display:flex}.stroke-width-btn:hover{background-color:var(--border-color)}.stroke-width-btn.active{background-color:var(--accent-light);color:var(--accent-primary);border-color:var(--accent-primary)}.props-select{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-primary);outline:none;padding:4px 8px;font-size:12px}.font-size-stepper{border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--bg-secondary);align-items:center;display:flex;overflow:hidden}.stepper-btn{width:24px;height:24px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none}.stepper-btn:hover{background-color:var(--bg-tertiary)}.stepper-value{padding:0 6px;font-size:12px;font-weight:600}.style-toggle-group{gap:2px;display:flex}.footer-left,.footer-center,.footer-right{align-items:center;gap:12px;display:flex}.page-indicator{font-variant-numeric:tabular-nums;align-items:center;gap:4px;display:flex}.zoom-bar{align-items:center;gap:6px;display:flex}.zoom-display{text-align:center;font-variant-numeric:tabular-nums;min-width:44px;font-weight:600}.header-desktop-only{display:flex}.header-desktop-actions{align-items:center;gap:8px;display:flex}.header-mobile-only{display:none!important}.mobile-more-wrapper{position:relative}.mobile-more-menu{background-color:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);z-index:150;-webkit-backdrop-filter:blur(12px);flex-direction:column;gap:2px;min-width:230px;padding:6px;display:flex;position:absolute;top:calc(100% + 8px);box-shadow:0 10px 25px -5px #0006}[dir=rtl] .mobile-more-menu{left:0;right:auto}[dir=ltr] .mobile-more-menu{left:auto;right:0}.mobile-more-backdrop{-webkit-backdrop-filter:blur(3px);z-index:990;background-color:#00000073;position:fixed;inset:0}.mobile-menu-item{border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;text-align:start;width:100%;transition:background-color var(--transition-fast);background:0 0;border:none;align-items:center;gap:10px;padding:10px 12px;font-size:13px;font-weight:500;display:flex}.mobile-menu-item:hover{background-color:var(--accent-light);color:var(--accent-primary)}.mobile-menu-item svg{color:var(--text-secondary);flex-shrink:0}.mobile-menu-item:hover svg{color:var(--accent-primary)}.mobile-menu-divider{background-color:var(--border-color);height:1px;margin:4px 6px}.mobile-menu-section-title{color:var(--text-muted);padding:4px 12px 2px;font-size:11px;font-weight:700}.tool-group{align-items:center;gap:4px;display:flex}.tool-group-divider{background-color:var(--border-color);flex-shrink:0;width:1px;height:22px;margin:0 6px}.footer-btn-label{display:inline}.footer-desktop-only{display:inline-flex}.tools-category-tabs{border-inline-end:1px solid var(--border-color);flex-shrink:0;align-items:center;gap:4px;margin-inline-end:6px;padding-inline-end:8px;display:flex}.cat-tab{border-radius:var(--radius-full);background-color:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all var(--transition-fast);border:1px solid #0000;padding:4px 10px;font-size:11px;font-weight:600}.cat-tab:hover{background-color:var(--bg-primary);color:var(--text-primary)}.cat-tab.active{background-color:var(--accent-primary);color:#fff;box-shadow:0 1px 4px var(--accent-glow)}.btn-open-header{font-weight:600}.sidebar-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.sidebar-title-group{align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex}.sidebar-thumbnails-list{flex-direction:column;flex:1;gap:14px;padding:12px;display:flex;overflow-y:auto}.thumbnail-card{cursor:pointer;border-radius:var(--radius-md);background-color:var(--bg-tertiary);transition:all var(--transition-fast);border:2px solid #0000;flex-direction:column;align-items:center;gap:6px;padding:6px;display:flex;position:relative}.thumbnail-card:hover{border-color:var(--border-hover);background-color:var(--bg-primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.thumbnail-card.active{border-color:var(--accent-primary);background-color:var(--accent-light);box-shadow:0 0 0 3px var(--accent-glow)}.thumbnail-preview-wrap{aspect-ratio:1/1.414;width:100%;box-shadow:var(--shadow-sm);background:#fff;border-radius:4px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.thumbnail-placeholder{background:var(--bg-tertiary);justify-content:center;align-items:center;width:100%;height:100%;display:flex}.thumb-loader{border:2px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}.thumbnail-img{-o-object-fit:contain;object-fit:contain;width:100%;height:100%;display:block}.thumbnail-actions-overlay{opacity:0;transition:all var(--transition-fast);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:var(--radius-sm);background:#0f172abf;gap:4px;padding:3px 5px;display:flex;position:absolute;top:4px;right:4px;transform:translateY(-4px)}[dir=rtl] .thumbnail-actions-overlay{left:4px;right:auto}.thumbnail-card:hover .thumbnail-actions-overlay{opacity:1;transform:translateY(0)}.thumb-act-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:3px;justify-content:center;align-items:center;padding:3px;display:flex}.thumb-act-btn:hover{background:#ffffff40}.thumb-act-btn.thumb-del:hover{background:var(--danger)}.thumbnail-label{color:var(--text-secondary);font-size:12px;font-weight:600}@keyframes spin{to{transform:rotate(360deg)}}.sidebar-header-actions{align-items:center;gap:4px;display:flex}.sidebar-backdrop{-webkit-backdrop-filter:blur(3px);z-index:998;opacity:1;pointer-events:auto;transition:opacity var(--transition-normal);background-color:#0f172a99;position:fixed;inset:0}.sidebar-backdrop.hidden{opacity:0;pointer-events:none}.app-sidebar.collapsed{border:none!important;width:0!important;min-width:0!important;padding:0!important;overflow:hidden!important}@media (width<=900px){.app-sidebar{transform:translate(100%);top:0!important;bottom:0!important;z-index:1000!important;background-color:var(--bg-secondary)!important;border-inline-end:1px solid var(--border-color)!important;width:280px!important;max-width:82vw!important;height:100vh!important;transition:transform .3s cubic-bezier(.16,1,.3,1)!important;position:fixed!important;inset-inline-start:0!important;box-shadow:0 10px 30px #00000080!important}[dir=ltr] .app-sidebar{transform:translate(-100%)}.app-sidebar.drawer-open{transform:translate(0)!important}}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0f172aa6;justify-content:center;align-items:center;width:100vw;height:100vh;animation:.2s fadeIn;display:flex;position:fixed;top:0;left:0}.modal-container{background-color:var(--bg-elevated);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);flex-direction:column;width:90%;max-width:520px;animation:.25s cubic-bezier(.16,1,.3,1) slideUp;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{color:var(--text-primary);font-size:16px;font-weight:700}.modal-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:22px;line-height:1}.modal-close-btn:hover{color:var(--text-primary)}.modal-body{flex-direction:column;gap:16px;max-height:75vh;padding:20px;display:flex;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-color);background-color:var(--bg-secondary);justify-content:flex-end;gap:10px;padding:14px 20px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-primary);font-size:13px;font-weight:600}.form-input{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-fast);outline:none;padding:10px 14px;font-size:14px}.form-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-hint{color:var(--text-muted);font-size:12px}.form-range{width:100%;accent-color:var(--accent-primary)}.form-row{gap:16px;display:flex}.flex-1{flex:1}.w-full{width:100%}.checkbox-group label{cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.preset-buttons{flex-wrap:wrap;gap:8px;display:flex}.sig-tabs{background-color:var(--bg-tertiary);border-radius:var(--radius-sm);gap:3px;padding:3px;display:flex}.sig-tab{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:4px;flex:1;padding:8px;font-size:13px;font-weight:600}.sig-tab.active{background-color:var(--bg-elevated);color:var(--text-primary);box-shadow:var(--shadow-sm)}.sig-canvas{border:2px dashed var(--border-color);border-radius:var(--radius-md);cursor:crosshair;touch-action:none;background:#fff;width:100%;height:200px}.sig-actions-row{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.sig-color-dots{gap:8px;display:flex}.color-dot{cursor:pointer;width:22px;height:22px;transition:transform var(--transition-fast);border:2px solid #0000;border-radius:50%}.color-dot.active{box-shadow:0 0 0 2px var(--accent-primary);border-color:#fff;transform:scale(1.15)}.sig-type-preview{height:100px;color:var(--text-primary);background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);justify-content:center;align-items:center;margin-top:12px;font-family:Brush Script MT,Caveat,Segoe Script,cursive;font-size:38px;display:flex}.sig-upload-box{border:2px dashed var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:36px 20px;display:flex}.sig-upload-box:hover{border-color:var(--accent-primary);background-color:var(--accent-light)}.drop-zone-card{text-align:center;background-color:var(--bg-elevated);border:2px dashed var(--border-color);border-radius:var(--radius-lg);max-width:600px;box-shadow:var(--shadow-xl);transition:all var(--transition-normal);flex-direction:column;align-items:center;margin:auto;padding:48px 32px;display:flex}.drop-zone-card.drag-active{border-color:var(--accent-primary);background-color:var(--accent-light);transform:scale(1.02)}.drop-zone-icon-wrap{background-color:var(--accent-light);width:72px;height:72px;color:var(--accent-primary);border-radius:50%;justify-content:center;align-items:center;margin-bottom:20px;display:flex}.drop-zone-icon{width:36px;height:36px}.drop-zone-title{color:var(--text-primary);margin-bottom:8px;font-size:20px;font-weight:700}.drop-zone-subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:14px;line-height:1.5}.drop-zone-buttons{flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:32px;display:flex}.drop-zone-features{border-top:1px solid var(--border-color);text-align:start;grid-template-columns:1fr 1fr;gap:12px;width:100%;padding-top:24px;display:grid}.feature-item{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.feature-bullet{color:var(--success);font-weight:700}.radio-cards{flex-direction:column;gap:10px;display:flex}.radio-card{border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;background-color:var(--bg-primary);transition:all var(--transition-fast);align-items:flex-start;gap:12px;padding:14px;display:flex}.radio-card:hover{border-color:var(--border-hover)}.radio-card.active{border-color:var(--accent-primary);background-color:var(--accent-light)}.card-info{flex-direction:column;gap:4px;display:flex}.card-info strong{color:var(--text-primary);font-size:14px}.card-info span{color:var(--text-secondary);font-size:12px}.drop-zone-mini{border:2px dashed var(--border-color);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);justify-content:center;align-items:center;gap:10px;padding:18px;font-size:13px;display:flex}.drop-zone-mini:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.merge-file-list{flex-direction:column;gap:6px;margin-top:10px;display:flex}.merge-item{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);align-items:center;gap:10px;padding:8px 12px;font-size:13px;display:flex}.merge-item-num{color:var(--accent-primary);width:20px;font-weight:700}.merge-item-name{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.merge-item-size{color:var(--text-muted);font-size:12px}.merge-item-del{color:var(--danger);cursor:pointer;background:0 0;border:none;font-size:18px}.shortcuts-table{flex-direction:column;gap:8px;display:flex}.shortcut-row{background-color:var(--bg-primary);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;padding:8px 12px;font-size:13px;display:flex}.shortcut-key{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--accent-primary);border-radius:4px;padding:3px 8px;font-family:monospace;font-weight:600}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-backdrop{-webkit-backdrop-filter:blur(4px);z-index:1000;background-color:#0f172aa6;justify-content:center;align-items:center;animation:.2s 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#3b82f640}.preset-icon{margin-bottom:4px;font-size:20px}.preset-name{font-size:12px;font-weight:700}.preset-desc{color:var(--text-muted);font-size:10px}.table-color-presets{align-items:center;gap:8px;margin-top:4px;display:flex}.tbl-color-btn{cursor:pointer;width:28px;height:28px;transition:transform var(--transition-fast);border:2px solid #0000;border-radius:50%}.tbl-color-btn:hover{transform:scale(1.15)}.tbl-color-btn.active{box-shadow:0 0 0 2px var(--accent-primary);border-color:#fff;transform:scale(1.15)}.icon-filter-tabs{border-bottom:1px solid var(--border-color);align-items:center;gap:6px;margin-bottom:12px;padding-bottom:4px;display:flex;overflow-x:auto}.icon-tab{border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all var(--transition-fast);background:0 0;border:1px solid #0000;padding:5px 12px;font-size:12px;font-weight:600}.icon-tab:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.icon-tab.active{background-color:var(--accent-primary);color:#fff}.icons-display-grid{grid-template-columns:repeat(auto-fill,minmax(75px,1fr));gap:8px;max-height:50vh;padding:4px;display:grid;overflow-y:auto}.icon-tile{border-radius:var(--radius-sm);background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:12px 6px;display:flex}.icon-tile:hover{background-color:var(--accent-light);border-color:var(--accent-primary);color:var(--accent-primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.icon-tile svg{color:currentColor}.icon-label{text-align:center;white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:11px;font-weight:500;overflow:hidden}[data-theme=dark] .canvas-wrapper{box-shadow:0 10px 30px #000000b3,0 0 0 1px #ffffff14}[data-theme=dark] .sig-canvas{background-color:#fff}[data-theme=dark] .doc-title-input{color:#f1f5f9}[data-theme=dark] .thumbnail-preview-wrap{background:#1e293b}[data-theme=dark] .thumbnail-card{background-color:#161f30}[data-theme=dark] .thumbnail-card:hover{background-color:#1e293b}[data-theme=dark] .drop-zone-card{background-color:#111827;border-color:#374151}[data-theme=dark] .radio-card{background-color:#161f30;border-color:#2e384d}[data-theme=dark] .radio-card.active{background-color:#3b82f626;border-color:#3b82f6}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#94a3b859;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b899}@media (width<=900px){.app-header{height:52px;padding:0 10px}.header-desktop-only{display:none!important}.header-mobile-only{display:flex!important}.header-left{gap:8px}.header-right{gap:6px}.doc-title-input{max-width:140px;padding:3px 6px;font-size:12px}.app-viewport{padding:16px 10px}.app-tools-bar{-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:4px 10px}.app-tools-bar::-webkit-scrollbar{display:none}.tools-list{gap:4px}.tool-btn{padding:6px 8px;font-size:12px}.footer-page-ops{display:none!important}.app-footer{height:40px;padding:0 10px}}@media (width<=640px){.app-header{justify-content:space-between;gap:6px;height:48px;padding:0 8px}.header-left{flex-shrink:1;gap:4px;min-width:0}.brand-name{display:none!important}.brand-badge{gap:0}.brand-logo{width:24px;height:24px}.doc-title-box{flex-shrink:1;min-width:0}.doc-title-input{text-overflow:ellipsis;white-space:nowrap;border-radius:4px;max-width:90px;padding:2px 4px;font-size:11px;overflow:hidden}.header-desktop-actions{display:none!important}.header-right{flex-shrink:0;gap:4px}.action-btn-group{gap:1px;padding:1px}.action-btn-group .btn-icon{width:28px;height:28px;padding:4px}.action-btn-group .btn-icon svg{width:15px;height:15px}.btn-open-label{display:none}.btn-open-header{height:32px;padding:5px 8px;font-size:11px}.btn-download{gap:4px;height:32px;padding:5px 9px;font-size:12px}.mobile-more-menu{z-index:1000!important;border-radius:var(--radius-md)!important;border:1px solid var(--border-color)!important;background-color:var(--bg-elevated)!important;width:250px!important;max-width:calc(100vw - 16px)!important;max-height:calc(100vh - 65px)!important;position:fixed!important;top:52px!important;left:8px!important;right:auto!important;overflow-y:auto!important;box-shadow:0 16px 36px #00000073!important}[dir=ltr] .mobile-more-menu{left:auto!important;right:8px!important}.app-tools-bar{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-direction:column;align-items:stretch;gap:5px;padding:6px 8px 4px;display:flex;overflow-x:visible}.tools-category-tabs{border-inline-end:none;border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:4px;width:100%;margin:0;padding:0 0 5px;display:flex}.cat-tab{text-align:center;border-radius:var(--radius-sm);flex:1;min-width:0;padding:5px 2px;font-size:11px;font-weight:600}.tools-list{-webkit-overflow-scrolling:touch;scrollbar-width:none;justify-content:flex-start;align-items:center;gap:6px;width:100%;padding:2px 4px;display:flex;overflow-x:auto}.tools-list::-webkit-scrollbar{display:none}.tool-group{flex-shrink:0;align-items:center;gap:4px;display:flex}.tool-group-divider{height:18px;margin:0 2px}.tool-btn{border-radius:var(--radius-sm);flex-direction:column;justify-content:center;align-items:center;gap:2px;min-width:44px;min-height:42px;padding:4px 8px;display:flex}.tool-btn svg{width:16px;height:16px}.tool-btn-label{white-space:nowrap;font-size:10px;line-height:1.1}.app-props-bar{-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:4px 8px}.app-props-bar::-webkit-scrollbar{display:none}.props-strip{gap:10px}.color-swatch{width:22px;height:22px}.stroke-width-btn{width:26px;height:26px}.app-viewport{padding:8px 4px}.canvas-wrapper{box-shadow:0 4px 14px #00000040}.app-footer{height:38px;padding:0 6px;font-size:11px}.footer-left{gap:4px}.page-indicator{gap:2px;font-size:11px}.zoom-bar{gap:3px}.zoom-display{min-width:36px;font-size:11px}.footer-btn-label{display:none!important}.footer-fit-btn{padding:4px 6px}.footer-desktop-only{display:none!important}.modal-container{border-radius:var(--radius-md)!important;width:96%!important;max-height:92vh!important}.modal-header{padding:12px 14px!important}.modal-body{max-height:65vh!important;padding:14px!important}.modal-footer{padding:10px 14px!important}}@media (width<=480px){.btn-download-label{display:none!important}.btn-download{justify-content:center;min-width:32px;padding:5px 7px}.doc-title-input{max-width:75px}}@media (width<=380px){.doc-title-box,#btn-zoom-reset{display:none!important}.zoom-display{min-width:30px}}@media (pointer:coarse){.btn-icon{min-width:38px;min-height:38px}.tool-btn{min-width:44px;min-height:44px}.color-swatch{width:24px;height:24px}.mobile-menu-item{padding:12px 14px;font-size:14px}}