:root{--bg:#eef0f3;--panel:#fff;--text:#1d2330;--muted:#667085;--border:#d6dae1;--accent:#d63b2f;--accent-hover:#b83026;--select:#2f6fd6;--field:#2f6fd61a;--field-border:#2f6fd68c;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);flex-direction:column;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:12px;padding:8px 16px;display:flex}.brand{color:inherit;align-items:center;gap:8px;font-size:18px;font-weight:700;text-decoration:none;display:flex}.btn.support{color:#b4234a;background:#fff5f7;border-color:#f2c4d0;text-decoration:none}.btn.support[hidden]{display:none}.file-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-left:auto;display:flex}.flatten{color:var(--muted);cursor:pointer;align-items:center;gap:4px;font-size:13px;display:flex}.btn{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:7px 14px;font-size:14px}.btn:hover:not(:disabled){background:#f4f5f7}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:hover:not(:disabled){background:var(--accent-hover)}.btn.small{padding:3px 9px;font-size:13px}.btn.danger{color:var(--accent)}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:4px;padding:6px 16px;display:flex}.tool{font:inherit;cursor:pointer;color:var(--text);background:0 0;border:1px solid #0000;border-radius:8px;padding:5px 10px;font-size:13px}.tool:hover{background:#f1f3f6}.tool.active{border-color:var(--select);color:var(--select);background:#e6eefb;font-weight:600}.sep{flex:1}#zoom-label{text-align:center;min-width:44px;color:var(--muted);font-size:13px}.props{border-bottom:1px solid var(--border);background:#fffbea;align-items:center;gap:8px;padding:6px 16px;font-size:13px;display:flex}.props[hidden],.props [hidden]{display:none}#font-color{border:1px solid var(--border);border-radius:6px;width:32px;height:26px;padding:0}main{flex:1;padding:24px 16px 80px;overflow:auto}#pages{flex-direction:column;align-items:center;gap:20px;width:max-content;min-width:100%;display:flex}.welcome{text-align:center;background:var(--panel);border:2px dashed var(--border);border-radius:16px;max-width:520px;margin:40px auto;padding:32px}.welcome h1{margin-top:0;font-size:26px}.welcome ul{text-align:left;padding-left:0;line-height:1.9;list-style:none;display:inline-block}body.dragging main{outline:3px dashed var(--select);outline-offset:-12px}.page-wrap{flex-direction:column;gap:6px;display:flex}.page-bar{color:var(--muted);align-items:center;gap:6px;font-size:13px;display:flex}.grow{flex:1}.page{background:#fff;position:relative;box-shadow:0 2px 10px #00000026}.page canvas{display:block}.overlay{position:absolute;inset:0}body[data-tool=text] .overlay,body[data-tool=date] .overlay{cursor:text}body[data-tool=check] .overlay,body[data-tool=cross] .overlay,body[data-tool=whiteout] .overlay,body[data-tool=signature] .overlay,body[data-tool=image] .overlay{cursor:crosshair}.field{border:1px solid var(--field-border);background:var(--field);color:#000;border-radius:2px;margin:0;padding:0 3px;font-family:Helvetica,Arial,sans-serif;position:absolute}.field:focus{outline:2px solid var(--select);background:#ffffffe6}textarea.field{resize:none}input[type=checkbox].field,input[type=radio].field{accent-color:#000;cursor:pointer}.field:disabled{background:0 0;border-color:#0000}.obj{position:absolute}.obj-text{min-width:20px}.text-body{white-space:pre;outline-offset:-1px;outline:1px dashed #0000;min-width:1ch;font-family:Helvetica,Arial,sans-serif}.obj-text:hover .text-body,.obj-text.selected .text-body{outline-color:var(--select)}.obj-text.wrap .text-body{white-space:pre-wrap;overflow-wrap:break-word}.obj-text .handle-resize{cursor:ew-resize}.text-body:empty:before{content:"Type here";color:#9aa3b2}.handle-move{text-align:center;cursor:move;width:16px;height:18px;color:var(--select);box-shadow:0 0 0 1px var(--select);opacity:0;-webkit-user-select:none;user-select:none;background:#fff;border-radius:4px;font-size:13px;line-height:18px;position:absolute;top:0;left:-18px}.obj-text:hover .handle-move,.obj-text.selected .handle-move{opacity:1}.obj-image,.obj-rect{cursor:move;touch-action:none}.obj-image img{pointer-events:none;width:100%;height:100%;display:block}.obj-rect{background:#fff;box-shadow:0 0 0 1px #e1e4ea}.obj.selected:not(.obj-text){outline:2px solid var(--select)}.handle-resize{background:var(--select);cursor:nwse-resize;touch-action:none;border:2px solid #fff;border-radius:50%;width:12px;height:12px;display:none;position:absolute;bottom:-6px;right:-6px}.obj.selected .handle-resize{display:block}dialog{border:none;border-radius:14px;max-width:calc(100vw - 32px);padding:20px;box-shadow:0 20px 60px #0000004d}dialog h2{margin:0 0 12px;font-size:18px}dialog::backdrop{background:#14182173}#sig-canvas{aspect-ratio:600/220;touch-action:none;border:1px solid var(--border);cursor:crosshair;background:repeating-linear-gradient(#0000 0 170px,#c9ced8 170px 171px,#0000 171px 220px);border-radius:10px;width:600px;max-width:100%;display:block}.sig-actions{gap:8px;margin-top:12px;display:flex}.sig-hint{color:var(--muted);margin:0 0 8px;font-size:13px}.sig-list{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.sig-item{position:relative}.sig-use{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;width:138px;height:58px;padding:6px;display:flex}.sig-use:hover{border-color:var(--select);box-shadow:0 0 0 1px var(--select)}.sig-use img{max-width:100%;max-height:100%}.sig-forget{border:1px solid var(--border);width:20px;height:20px;color:var(--muted);cursor:pointer;background:#fff;border-radius:50%;padding:0;font-size:14px;line-height:17px;position:absolute;top:-7px;right:-7px}.sig-forget:hover{color:#fff;background:#d63b2f;border-color:#d63b2f}.toast{color:#fff;z-index:10;background:#1d2330;border-radius:10px;max-width:calc(100vw - 32px);padding:10px 18px;font-size:14px;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 6px 20px #00000040}.toast[hidden]{display:none}@media (max-width:640px){.tool span{display:none}.topbar,.toolbar,.props{padding-left:16px;padding-right:16px}}.obj-rect.marquee{box-shadow:none;outline:1px dashed var(--select);background:#2f6fd614}.obj-comb{font-family:Helvetica,Arial,sans-serif}.box-hint{background:var(--field);outline:1px solid var(--field-border);cursor:text;position:absolute}.box-hint:hover{background:#2f6fd633}body[data-tool]:not([data-tool=select]) .box-hint{pointer-events:none}.comb-cell{pointer-events:none;justify-content:center;align-items:center;line-height:1;display:flex;position:absolute;top:0;bottom:0}.comb-cell.cur{background:#2f6fd626}.comb-input{color:#0000;caret-color:#0000;cursor:text;background:0 0;border:none;outline:none;width:100%;height:100%;margin:0;padding:0;font-size:1px;position:absolute;inset:0}.obj-comb:hover,.obj-comb.selected{outline:1px dashed var(--select)}.obj-comb:hover .handle-move,.obj-comb.selected .handle-move{opacity:1}.obj-comb .handle-resize{z-index:1}.field.comb{font-family:Courier New,Courier,monospace}#box-count{width:52px;font:inherit;border:1px solid var(--border);border-radius:6px;padding:2px 4px}#caps-wrap{cursor:pointer;align-items:center;gap:4px;display:flex}#caps-wrap[hidden],#boxes-wrap[hidden]{display:none}