:root{
 --bg:#f6f7fb;--panel:#fff;--text:#161b27;--muted:#687386;--line:#dce2ec;
 --red:#e53935;--red2:#c62828;--soft:#fff1f0;--blue:#2563eb;--good:#138a4b;
 --shadow:0 12px 34px rgba(15,23,42,.08);--r:15px;--top:66px
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}
header{height:var(--top);background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:100}
.nav{width:min(1380px,100%);margin:auto;padding:0 18px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:1.2rem;margin-right:auto}
.brand img{width:38px;height:38px}.brand small{display:block;font-weight:600;font-size:.68rem;color:var(--muted);margin-top:-3px}
.navlinks{display:flex;gap:17px}.navlinks a{text-decoration:none;color:#465064;font-weight:700;font-size:.91rem}.navlinks a:hover{color:var(--red)}
.btn{border:1px solid #cfd7e5;background:#fff;color:#293448;border-radius:9px;padding:9px 12px;font-weight:750;transition:.15s}
.btn:hover{background:#fafbfe;border-color:#9faec5}.btn.primary{background:var(--red);border-color:var(--red);color:#fff}.btn.primary:hover{background:var(--red2)}
.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}.btn.danger{color:#b42318;border-color:#f1b7b2;background:#fff5f4}.btn.small{padding:6px 8px;font-size:.8rem}
.hero{max-width:1160px;margin:40px auto 20px;padding:0 20px;text-align:center}.hero h1{font-size:clamp(2.2rem,5vw,4.2rem);line-height:1;margin:12px 0}.hero p{font-size:1.1rem;color:var(--muted);max-width:800px;margin:0 auto 20px}
.kicker{display:inline-flex;border:1px solid #ffd2cf;background:var(--soft);color:#b42318;padding:6px 10px;border-radius:999px;font-weight:800;font-size:.8rem}
.privacy-pill{display:inline-flex;gap:7px;align-items:center;padding:7px 11px;border-radius:999px;background:#effaf4;border:1px solid #cfeada;color:#176a3d;font-size:.82rem;font-weight:800}
.tools-grid{max-width:1160px;margin:30px auto 60px;padding:0 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;text-decoration:none;box-shadow:var(--shadow);transition:.15s}.tool-card:hover{transform:translateY(-2px);border-color:#f2aaa6}.tool-card .ico{font-size:1.8rem}.tool-card h2{font-size:1.12rem;margin:10px 0 5px}.tool-card p{font-size:.91rem;color:var(--muted);margin:0}
.page{max-width:1050px;margin:28px auto 60px;padding:0 18px}.page-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
.page h1{font-size:clamp(1.8rem,4vw,2.8rem);margin:5px 0 10px}.lead{color:var(--muted);font-size:1.03rem}.page h2{margin-top:28px}
.drop{border:2px dashed #bec9da;border-radius:13px;padding:28px;text-align:center;background:#fafbfe;transition:.15s}.drop.drag{border-color:var(--red);background:var(--soft)}.drop input{margin-top:12px}
.form-row{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin:14px 0}.field{flex:1;min-width:180px}.field label{display:block;font-weight:800;font-size:.84rem;margin-bottom:5px}.field input,.field select{width:100%;border:1px solid #cfd7e5;border-radius:9px;padding:9px 10px;background:#fff}
.status{margin:12px 0;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#f9fafc;color:#566177;font-size:.9rem;min-height:42px}.status.good{background:#effaf4;border-color:#cae8d6;color:#176a3d}.status.bad{background:#fff2f1;border-color:#f0c4c0;color:#9d241b}
.file-list{display:flex;flex-direction:column;gap:7px;margin:12px 0}.file-item{padding:10px;border:1px solid var(--line);border-radius:9px;background:#fff;display:flex;align-items:center;gap:10px}.file-item span{flex:1}.file-item small{color:var(--muted)}
/* editor */
.editor-shell{height:calc(100vh - var(--top));display:grid;grid-template-columns:235px 1fr 270px;background:#e8ebf1;overflow:hidden}
.leftbar,.rightbar{background:#fff;overflow:auto}.leftbar{border-right:1px solid var(--line)}.rightbar{border-left:1px solid var(--line)}
.panel-title{padding:12px 13px;border-bottom:1px solid var(--line);font-weight:850;display:flex;align-items:center;justify-content:space-between}
.editor-toolbar{position:absolute;left:245px;right:280px;top:76px;z-index:20;display:flex;justify-content:center;pointer-events:none}.toolbar-inner{pointer-events:auto;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);display:flex;gap:4px;padding:5px;flex-wrap:wrap;justify-content:center}
.toolbtn{border:0;background:#fff;border-radius:8px;padding:7px 9px;font-size:.8rem;font-weight:780;color:#445065}.toolbtn:hover{background:#f3f5f9}.toolbtn.active{background:var(--soft);color:#b42318}.tool-sep{width:1px;background:var(--line);margin:3px}
.workspace{position:relative;overflow:auto;padding:80px 36px 70px;display:flex;justify-content:center;align-items:flex-start}
.page-stage{position:relative;background:#fff;box-shadow:0 8px 28px rgba(0,0,0,.2);touch-action:none;user-select:none}
#pdfCanvas{display:block}.overlay-layer,.text-hit-layer{position:absolute;inset:0}.text-hit-layer{pointer-events:none}.text-hit{position:absolute;border:1px dashed transparent;pointer-events:auto;cursor:text}.text-hit:hover{border-color:#3b82f6;background:rgba(59,130,246,.08)}
.obj{position:absolute;border:1px solid transparent;cursor:move;min-width:4px;min-height:4px}.obj.selected{border:1px dashed #2563eb}.obj .resize{display:none;position:absolute;width:11px;height:11px;background:#fff;border:2px solid #2563eb;right:-6px;bottom:-6px;border-radius:2px;cursor:nwse-resize}.obj.selected .resize{display:block}
.obj-text{
 white-space:pre-wrap;line-height:1.15;overflow:visible;padding:1px;
}
.obj-image img,.obj-signature img{width:100%;height:100%;object-fit:contain;pointer-events:none}.obj-rect,.obj-redact,.obj-highlight{border:2px solid currentColor}.obj-redact{background:#111}.obj-highlight{background:rgba(255,235,59,.38);border-color:rgba(255,193,7,.8)}.obj-ellipse{border:2px solid currentColor;border-radius:50%}
.obj svg{width:100%;height:100%;overflow:visible;pointer-events:none}
.thumbs{padding:9px}.thumb{border:2px solid transparent;border-radius:9px;padding:6px;margin-bottom:8px;background:#f7f8fb;cursor:pointer}.thumb.active{border-color:var(--red);background:var(--soft)}.thumb canvas{display:block;max-width:100%;margin:auto;background:#fff;box-shadow:0 2px 7px rgba(0,0,0,.12)}.thumb-label{font-size:.76rem;text-align:center;color:var(--muted);margin-top:4px}.thumb.dragging{opacity:.45}
.props{padding:13px}.prop-group{border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:13px}.prop-group:last-child{border:0}.prop-group h3{font-size:.86rem;margin:0 0 10px}.prop-row{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:7px}.prop-row.one{grid-template-columns:1fr}.prop-row label{font-size:.72rem;color:var(--muted);font-weight:750}.prop-row input,.prop-row select{width:100%;border:1px solid #cfd7e5;border-radius:7px;padding:6px 7px;font-size:.82rem}.prop-actions{display:flex;gap:6px;flex-wrap:wrap}
.empty-editor{margin:auto;text-align:center;max-width:560px;padding:30px}.empty-editor h1{font-size:2rem;margin:8px}.empty-editor p{color:var(--muted)}
.editor-top-actions{display:flex;gap:7px}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:300;display:none;align-items:center;justify-content:center;padding:20px}.modal.show{display:flex}.modal-card{background:#fff;border-radius:15px;width:min(620px,100%);padding:18px;box-shadow:0 24px 70px rgba(0,0,0,.3)}.sig-canvas{border:1px solid var(--line);border-radius:10px;width:100%;height:220px;touch-action:none;background:#fff}
.toast{position:fixed;right:16px;bottom:16px;z-index:500;background:#172033;color:#fff;border-radius:9px;padding:10px 13px;opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:none}
footer{border-top:1px solid var(--line);background:#fff;padding:24px}.footer{max-width:1160px;margin:auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer p{color:var(--muted);font-size:.84rem}.footer a{color:#566177;text-decoration:none;margin-right:13px;font-size:.85rem}
.note{border-left:4px solid #f59e0b;background:#fff9e9;padding:10px 12px;border-radius:8px;color:#77520c;font-size:.9rem}
code{background:#f1f3f7;padding:2px 5px;border-radius:5px}
@media(max-width:900px){.tools-grid{grid-template-columns:1fr 1fr}.editor-shell{grid-template-columns:170px 1fr}.rightbar{display:none}.editor-toolbar{left:180px;right:10px}.navlinks{display:none}}
@media(max-width:650px){.tools-grid{grid-template-columns:1fr}.leftbar{display:none}.editor-shell{grid-template-columns:1fr}.editor-toolbar{left:8px;right:8px;top:72px}.workspace{padding:105px 12px 40px}.brand small{display:none}}

.obj-cover{
 position:absolute;
 border:0 !important;
 pointer-events:none !important;
 box-shadow:none !important;
}
.obj-text .text-content{
 position:relative;
 display:block;
 z-index:2;
 min-width:100%;
 min-height:100%;
 white-space:pre-wrap;
}
.obj-text .text-content[contenteditable="true"]{
 cursor:text;
 outline:2px solid #2563eb;
 outline-offset:1px;
 background:#fff;
}