:root{color-scheme:light;--bg:#f5f8fb;--white:#fff;--ink:#14253a;--muted:#617287;--stroke:#dce5ed;--teal:#148d81;--teal-deep:#08776f;--pale:#e5f5f1;--focus:#218dcd;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none} *{box-sizing:border-box}html,body{margin:0;width:100%;min-height:100%;background:var(--bg);color:var(--ink)}body{overflow:hidden}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:2px}a{color:inherit}.skip-link{position:absolute;top:-100px;left:12px;padding:8px;background:#fff;z-index:30}.skip-link:focus{top:10px}.app-shell{height:100dvh;min-height:420px;display:flex;flex-direction:column;min-width:0}.topbar{height:65px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 22px;border-bottom:1px solid var(--stroke);background:var(--white);flex-shrink:0}.brand{display:flex;align-items:center;gap:9px;text-decoration:none}.brand span{display:flex;flex-direction:column}.brand strong{font-size:15px;letter-spacing:-.03em}.brand em{font-style:normal;color:var(--teal)}.brand small{font-size:9px;letter-spacing:.15em;color:var(--muted);font-weight:850}.top-right{display:flex;gap:18px;align-items:center}.local-pill{font-size:11px;font-weight:650;color:#207166;white-space:nowrap}.local-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#2fae89;margin-right:4px}.back-link{font-size:12px;font-weight:750;text-decoration:none;color:var(--muted)}.back-link:hover{color:var(--teal)}.workspace{flex:1;min-height:0;display:flex;flex-direction:column}.toolbar{background:#fff;display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding:10px 16px;border-bottom:1px solid var(--stroke);flex-shrink:0}.toolbar-group{display:flex;gap:5px;align-items:center}.tool-separator{height:28px;width:1px;background:var(--stroke);margin:0 3px}.toolbar-fill{flex:1}.btn{border:1px solid #d5e0e8;background:#fff;color:var(--ink);border-radius:8px;min-height:34px;display:inline-flex;gap:5px;justify-content:center;align-items:center;padding:7px 10px;font-size:12px;font-weight:700;white-space:nowrap;transition:background .15s,border-color .15s}.btn:not(:disabled):hover{background:#eff6fa;border-color:#9cbbc5}.btn.primary{background:var(--teal);border-color:var(--teal);color:white}.btn.primary:not(:disabled):hover{background:var(--teal-deep)}.btn.danger{color:#a53b42}.btn.danger:not(:disabled):hover{background:#fff0f1;border-color:#e9b4b8}.btn.large{min-height:41px;padding:10px 17px;font-size:13px}.btn.full{width:100%}.main-layout{min-height:0;flex:1;display:grid;grid-template-columns:205px minmax(0,1fr)}.source-sidebar{border-right:1px solid var(--stroke);background:#fff;display:flex;flex-direction:column;min-height:0;padding:14px 10px;gap:11px}.pane-heading{display:flex;align-items:center;justify-content:space-between;padding:2px 6px;font-size:13px}.count{font-size:11px;color:var(--muted);background:var(--bg);padding:4px 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4px}.split-marker{position:absolute;top:-13px;left:0;right:0;height:3px;background:var(--teal);z-index:3;border-radius:3px}.split-marker::after{content:'✂ Split';position:absolute;top:-12px;left:8px;background:var(--pale);color:#0c645a;border:1px solid #a2d6ca;border-radius:5px;padding:2px 5px;font-size:10px;font-weight:800;white-space:nowrap}.statusbar{min-height:34px;padding:8px 18px;display:flex;gap:14px;align-items:center;background:#fff;border-top:1px solid var(--stroke);font-size:10px;color:var(--muted)}#statusText{max-width:54%;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.status-right{margin-left:auto}.dialog-backdrop,.working-layer{position:fixed;inset:0;background:#10263bc4;z-index:20;display:flex;align-items:center;justify-content:center;padding:14px}.dialog-backdrop[hidden],.working-layer[hidden],.toast[hidden],[hidden]{display:none!important}.preview-dialog{background:#f5f8fb;border-radius:13px;width:min(1240px,100%);height:min(900px,calc(100dvh - 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label.checkbox-wrap{flex-direction:row;align-items:center;justify-content:center;align-self:end;height:33px}.text-hint,.text-note{font-size:11px;color:var(--muted);line-height:1.55;margin:0}.text-note{margin-top:auto;border-top:1px solid var(--stroke);padding-top:12px}.working-layer{z-index:40}.working-card{background:white;border-radius:12px;padding:25px;display:flex;align-items:center;flex-direction:column;gap:10px;min-width:240px;text-align:center}.working-card strong{font-size:15px}.working-card p{margin:0;font-size:12px;color:var(--muted)}.spinner{width:28px;height:28px;border:3px solid #d7ebe7;border-top-color:var(--teal);border-radius:50%;animation:spin .7s linear infinite}.toast{position:fixed;z-index:50;left:50%;bottom:46px;transform:translateX(-50%);background:#152a3d;color:#fff;border-radius:8px;padding:11px 17px;box-shadow:0 8px 30px #0004;font-size:12px;max-width:min(540px,92vw);text-align:center}.page-scroll.drag-over{outline:3px dashed #148d81;outline-offset:-10px;background:#eef9f4}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{to{opacity:.3}} @media(max-width:1250px){.toolbar{gap:5px;padding:8px 10px}.btn{padding:6px 7px}.toolbar-group{gap:3px}.tool-separator{margin:0 2px}.page-grid{grid-template-columns:repeat(auto-fill,minmax(145px,1fr))}} @media(max-width:950px){.main-layout{grid-template-columns:165px minmax(0,1fr)}.page-grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr))}.toolbar-fill{flex-basis:100%;height:0}.tool-separator{display:none}.preview-body{grid-template-columns:minmax(0,1fr) 215px}} @media(max-width:640px){.topbar{padding:0 12px;height:55px}.local-pill{display:none}.brand strong{font-size:13px}.source-sidebar{display:none}.main-layout{display:block;position:relative}.editor-area{height:100%}.editor-info{padding:5px 12px}.toolbar{gap:4px;max-height:122px;overflow:auto;flex-wrap:nowrap}.toolbar-group{flex-shrink:0}.toolbar-fill{display:none}.toolbar .btn{font-size:11px;min-height:36px}.toolbar .btn span{display:none}.page-scroll{padding:20px 12px}.page-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 10px}.statusbar{padding:5px 10px}.status-right{display:none}.preview-dialog{height:calc(100dvh - 10px);width:100%;border-radius:9px}.dialog-backdrop{padding:5px}.preview-body{display:flex;flex-direction:column}.preview-canvas-wrap{flex:1;min-height:180px;padding:9px;justify-content:center}.preview-stage{max-height:calc(100% - 28px)}.text-panel{border-left:0;border-top:1px solid var(--stroke);height:223px;flex-shrink:0;display:block;overflow-y:auto;padding:9px 13px}.text-panel>strong{margin-right:12px}.text-panel>button{width:auto!important;margin-top:7px}.text-controls{gap:8px;margin-top:9px}.text-controls textarea{min-height:50px;max-height:80px}.text-note,.text-hint{display:none}.preview-head{min-height:47px;padding:5px 10px}.preview-head .btn{padding:5px 7px}} @media(max-width:370px){.page-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-actions{gap:2px}.preview-actions .btn{font-size:11px}} @media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}} .toolbar .btn.selected-action{background:#e4f5f1;border-color:#79c8b8;color:#075e54} /* Standalone test release status chip */ .test-pill{font-size:11px;font-weight:800;padding:6px 10px;border:1px solid #99d4c9;background:#e5f5f1;color:#126a60;border-radius:999px;white-space:nowrap} @media(max-width:400px){.test-pill{font-size:10px;padding:5px 7px}} /* Standalone offline PDF rendering: native PDF viewer embedded from a local Blob URL. */ .native-thumb-slot{position:relative;overflow:hidden;flex-shrink:0;background:#fff;box-shadow:0 1px 5px #0002} .native-pdf{border:0;background:#fff;pointer-events:none;display:block;overflow:hidden} .native-thumb-slot>.native-pdf{z-index:0} .preview-stage>.native-pdf{z-index:0} .preview-stage>.text-layers{z-index:2} /* v2026.10.18.4: distinct tool rows ensure that Export and page actions stay visible. */ .toolbar{display:flex;flex-direction:column;flex-wrap:nowrap;gap:0;padding:0;background:#fff;align-items:stretch} .tool-row{display:flex;align-items:center;gap:7px;padding:6px 14px;min-width:0} .tool-primary{border-bottom:1px solid #e8eef3} .tool-secondary{background:#fbfdff;overflow-x:auto;scrollbar-width:thin} .tool-row .toolbar-group{flex-shrink:0} .tool-primary .export-main{margin-left:auto;flex-shrink:0} .tool-row .toolbar-fill{flex:1} .page-render{display:block;width:100%;height:100%;background:#fff} .brand-mark{display:block;flex-shrink:0} .native-thumb-slot{display:flex;justify-content:center;align-items:center} .native-thumb-slot iframe{width:100%;height:100%} .preview-stage>canvas{display:block;max-width:none;max-height:none} @media(max-width:1000px){.tool-primary{overflow-x:auto;scrollbar-width:thin}.tool-secondary{overflow-x:auto}.tool-row{padding:6px 10px}} @media(max-width:640px){.toolbar{max-height:none;overflow:visible;flex-direction:column;flex-wrap:nowrap;gap:0;padding:0}.tool-row{gap:5px;padding:5px 9px;overflow-x:auto}.tool-primary .export-main{order:-1;position:sticky;left:0;box-shadow:8px 0 12px #fff;background:#168e82;z-index:3;margin-left:0}.tool-row .btn span{display:inline}.tool-row .btn{min-height:36px;font-size:11px}.tool-primary .tool-separator{display:none}.tool-secondary .tool-separator{display:none}} /* v2026.10.18.5 — tactile page dragging, insertion boundaries, and image overlays */ .page-card .thumb-frame{cursor:grab;touch-action:none} .page-card .thumb-frame:active{cursor:grabbing} .page-card.dragging{opacity:.31} /* Marker occupies the actual inter-page gap, never the page itself. */ .split-boundary{position:absolute;top:2px;bottom:26px;left:-13px;width:16px;border:0;padding:0;background:transparent;z-index:5;cursor:crosshair;display:block;color:#08796d} .split-boundary::before{content:"";position:absolute;left:7px;top:0;bottom:0;width:3px;border-radius:4px;background:transparent;transition:background .12s} .split-boundary:hover::before,.split-boundary:focus-visible::before{background:#91c9bf} .split-boundary.has-split::before{background:#149687} .split-boundary.has-split::after{content:'✂';position:absolute;top:0;left:-3px;background:#e5f5f1;border:1px solid #a0d4c9;border-radius:5px;padding:2px 3px;font-size:13px;line-height:1.2} /* At row wraps the between-page boundary is horizontal, above the next row. */ .page-card.boundary-wrap .split-boundary{left:0;right:0;top:-16px;bottom:auto;width:100%;height:15px} .page-card.boundary-wrap .split-boundary::before{left:0;right:0;top:6px;height:3px;width:auto;bottom:auto} .page-card.boundary-wrap .split-boundary.has-split::after{top:-6px;left:7px} .page-card.drop-before .thumb-frame,.page-card.drop-after .thumb-frame{border-color:#b3e4db} .page-card.drop-before::before,.page-card.drop-after::after{content:'';position:absolute;top:0;bottom:26px;width:4px;border-radius:3px;background:#078d83;z-index:9;box-shadow:0 0 0 2px #def8f2;pointer-events:none} .page-card.drop-before::before{left:-11px}.page-card.drop-after::after{right:-11px} .page-card.boundary-wrap.drop-before::before{left:0;right:0;top:-12px;height:4px;width:auto;bottom:auto} .page-drag-ghost{position:fixed;z-index:90;top:0;left:0;pointer-events:none;width:118px;height:155px;padding:5px;background:#fff;border:2px solid #168e82;border-radius:9px;box-shadow:0 12px 30px #19384b45;transform:translate(-500px,-500px)} .page-drag-ghost canvas{width:100%;height:100%;object-fit:contain} .page-drag-ghost.multi::before,.page-drag-ghost.multi::after{content:'';position:absolute;inset:5px -5px -5px 5px;border:1px solid #83c8bc;background:#fff;border-radius:9px;z-index:-1} .page-drag-ghost.multi::after{inset:10px -10px -10px 10px;z-index:-2} .drag-stack-count{position:absolute;top:-9px;right:-13px;background:#08786f;color:#fff;border-radius:20px;padding:5px 9px;font-size:11px;font-weight:800;box-shadow:0 2px 5px #0003} .drag-face-fallback{height:100%;display:grid;place-items:center;background:#f3f8fa;color:#168e82;font-size:42px} .thumb-image{position:absolute;object-fit:fill;pointer-events:none} .image-layers{position:absolute;inset:0;pointer-events:none;z-index:2} .preview-stage>.text-layers{z-index:3} .imagebox{position:absolute;pointer-events:auto;cursor:move;touch-action:none;border:1px dashed #198c84;background:#e3f6ee17;user-select:none} .imagebox.active{border:2px solid #168e82;box-shadow:0 0 0 2px #fff} .imagebox img{display:block;width:100%;height:100%;object-fit:fill;pointer-events:none;user-select:none} .imagebox .resize-handle{z-index:2} .overlay-add-actions{display:flex;gap:6px}.overlay-add-actions>.btn{flex:1;min-width:0} .image-controls{display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--stroke);padding-top:11px} .image-controls>strong{font-size:12px}.image-controls p{margin:0;color:var(--muted);font-size:11px;line-height:1.4;overflow-wrap:anywhere} .image-controls .control-row .btn{font-size:11px;flex:1} @media(max-width:640px){.page-card.drop-before::before{left:-6px}.page-card.drop-after::after{right:-6px}.split-boundary{left:-9px;width:11px}.split-boundary::before{left:4px}.overlay-add-actions{margin-top:6px}.text-panel{height:235px}.image-controls .control-row{margin-top:5px}} .page-drag-ghost .ghost-pdf-preview{display:block;width:100%;height:100%;border:0;pointer-events:none} /* v2026.10.18.6 — local PDF page crop + image crop + proportional resizing */ .page-crop-rect{position:absolute;z-index:8;border:2px solid #087e72;background:rgba(22,142,130,.075);box-shadow:0 0 0 5000px rgba(9,21,33,.48);cursor:move;touch-action:none;pointer-events:auto} .page-crop-grip{position:absolute;width:18px;height:18px;background:#fff;border:3px solid #128a80;border-radius:4px;touch-action:none} .page-crop-grip.nw{left:-9px;top:-9px;cursor:nwse-resize}.page-crop-grip.ne{right:-9px;top:-9px;cursor:nesw-resize}.page-crop-grip.sw{left:-9px;bottom:-9px;cursor:nesw-resize}.page-crop-grip.se{right:-9px;bottom:-9px;cursor:nwse-resize} .page-crop-controls{display:flex;flex-direction:column;gap:7px;padding:10px;background:#e6f5f1;border:1px solid #b1d8ce;border-radius:9px;margin-bottom:12px} .page-crop-controls p{font-size:11px;line-height:1.4;margin:0;color:#245c55} .page-crop-controls .btn{min-width:0;flex:1}.page-crop-controls>.btn{width:100%} .preview-stage{overflow:hidden} .imagebox{overflow:hidden} .imagebox img{display:block;object-fit:fill;pointer-events:none;user-select:none} .imagebox .crop-edge{position:absolute;z-index:4;width:23px;height:23px;border:3px solid #fff;background:#128d7e;border-radius:6px;box-shadow:0 1px 4px #0004;touch-action:none} .imagebox .crop-n{top:-8px;left:calc(50% - 12px);cursor:ns-resize}.imagebox .crop-s{bottom:-8px;left:calc(50% - 12px);cursor:ns-resize}.imagebox .crop-e{right:-8px;top:calc(50% - 12px);cursor:ew-resize}.imagebox .crop-w{left:-8px;top:calc(50% - 12px);cursor:ew-resize} .image-mode-controls{display:flex;gap:6px}.image-mode-controls .btn{flex:1;min-width:0}.image-mode-controls .active-mode{background:#e4f5f1;border-color:#58b5a7;color:#08776f;font-weight:750} .image-aspect-lock{display:flex;gap:7px;align-items:center;font-size:11px;color:var(--ink);font-weight:650} .thumb-cropped-image{position:absolute;overflow:hidden;pointer-events:none}.thumb-cropped-image img{display:block;pointer-events:none} @media(max-width:640px){.text-panel{height:255px}.page-crop-controls{padding:7px}.imagebox .crop-edge{width:25px;height:25px}} /* v2026.10.18.8: correct embedded one-page PDF viewer sizing and layering. A native