:root{
  --bg:#0d1110;--panel:#121816;--panel2:#18201d;--line:#2d3833;--text:#eef3ef;--muted:#91a099;
  --accent:#8fb245;--accent2:#b8d273;--danger:#ad4a4a;--workspace:#cdd3cf;--blue:#2c77ff;
}
*{box-sizing:border-box} html,body{margin:0;height:100%;font-family:Inter,"Segoe UI",Arial,sans-serif}
body{background:var(--bg);color:var(--text);overflow:hidden}
button,input,select{font:inherit} button{cursor:pointer}
.topbar{height:58px;display:grid;grid-template-columns:260px auto 1fr auto;align-items:center;gap:16px;padding:0 14px;background:#090d0b;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:750}.brand-mark{display:grid;place-items:center;width:31px;height:31px;border:1px solid #607348;border-radius:5px;color:var(--accent2)}
.status{font-size:12px;color:var(--muted);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mode-switch{display:flex;padding:3px;background:#141a17;border:1px solid var(--line);border-radius:7px}
.mode-switch button{border:0;background:transparent;color:#aab5ae;padding:6px 10px;border-radius:5px}.mode-switch .active{background:#283329;color:#fff}
.top-actions{display:flex;gap:6px}
button{min-height:32px;border:1px solid var(--line);border-radius:5px;background:var(--panel2);color:var(--text);padding:0 9px}
button:hover{border-color:#53645b}.primary{background:var(--accent);color:#10150d;font-weight:800;border-color:#a6c45c}.danger{background:#3a2020;border-color:#673131}
.app-shell{height:calc(100vh - 58px);display:grid;grid-template-columns:190px minmax(0,1fr) 285px}
.sidebar,.inspector{background:var(--panel);overflow:auto;padding:13px}.sidebar{border-right:1px solid var(--line)}.inspector{border-left:1px solid var(--line)}
.sidebar section{padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line)}.sidebar h3{font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:#9da9a2;margin:0 0 9px}
.jump{display:grid;grid-template-columns:1fr auto;gap:5px}.jump input,.inspector input,.formatbar select{background:#0c100e;color:#fff;border:1px solid var(--line);border-radius:4px}
.jump input{min-width:0;padding:0 7px}.pager{display:grid;grid-template-columns:40px 1fr 40px;gap:5px;align-items:center;margin:8px 0}.pager strong{text-align:center;font-size:20px}
.nearby{display:grid;gap:3px;max-height:245px;overflow:auto}.nearby button{text-align:left;font-size:12px}.nearby .active{border-color:#718f43;background:#222d20}
.insert-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.insert-grid button{height:55px;font-size:20px}.insert-grid span{font-size:10px;color:#aab5ae}
.check{display:block;font-size:12px;margin:8px 0;color:#c8d0cb}
.workspace{display:grid;grid-template-rows:45px 1fr;min-width:0;background:var(--workspace)}
.formatbar{display:flex;align-items:center;gap:5px;padding:6px 9px;background:#f5f7f6;color:#252b28;border-bottom:1px solid #b7bfba;overflow-x:auto}
.formatbar button{background:#fff;color:#222;border-color:#abb2ae;min-width:31px}.formatbar select{height:31px;background:#fff;color:#222;border-color:#abb2ae;padding:0 4px}
.formatbar #fontFamily{width:135px}.formatbar #fontSize{width:58px}.sep{width:1px;height:22px;background:#bdc4bf;margin:0 3px}.zoom-spacer{flex:1}.color-label{font-size:10px;display:flex;align-items:center;gap:3px}.color-label input{width:29px;height:28px;border:0;padding:0;background:transparent}
.stage{overflow:auto;display:grid;place-items:start center;padding:28px}
.pdf-page{position:relative;background:#fff;box-shadow:0 12px 34px rgba(0,0,0,.3);transform-origin:top left}
#pdfCanvas{display:block}
.semantic-layer,.object-layer{position:absolute;inset:0}.semantic-layer{z-index:2}.object-layer{z-index:3;pointer-events:none}
.semantic-block{position:absolute;border:1px solid transparent;cursor:text}.semantic-layer.show .semantic-block{border-color:rgba(44,119,255,.2);background:rgba(44,119,255,.025)}
.semantic-block:hover,.semantic-block.selected{border-color:var(--blue);background:rgba(44,119,255,.08)}.semantic-block.edited{border-color:#c2645d}
.page-object{position:absolute;pointer-events:auto;cursor:move;transform-origin:center;outline:1px solid transparent;overflow:visible}
.page-object.selected{outline:2px solid var(--blue)}.page-object.text-object{background:transparent}.page-object .object-content{width:100%;height:100%;overflow:hidden}
.page-object .object-content[contenteditable="true"]{cursor:text;outline:none}
.page-object.image-object img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}.page-object.shape-object .object-content{width:100%;height:100%;background:#e6e6e6;border:1px solid #444}
.resize-handle{display:none;position:absolute;width:11px;height:11px;right:-7px;bottom:-7px;background:#fff;border:2px solid var(--blue);border-radius:50%;cursor:nwse-resize}.page-object.selected .resize-handle{display:block}
.reflow-page{width:min(760px,100%);background:#fff;color:#161816;box-shadow:0 12px 34px rgba(0,0,0,.25);min-height:1000px;margin-bottom:30px}
.reflow-inner{padding:70px 78px 90px;font-family:Georgia,"Times New Roman",serif}.reflow-block{position:relative;margin:0 0 14px;line-height:1.5}.reflow-block.heading{text-align:center;font-weight:700;font-size:21px;margin:10px 0}.reflow-block.subheading{font-weight:700;font-size:16px}.reflow-block[contenteditable="true"]:focus{outline:2px solid rgba(44,119,255,.3);outline-offset:4px}.reflow-block sup{font-size:.62em;color:#b3463c}
.inspector h2{font-size:17px;margin:0 0 12px}.empty{border:1px dashed #405048;padding:12px;border-radius:6px;color:var(--muted);font-size:12px;line-height:1.5}.badge{display:inline-block;font-size:9px;letter-spacing:.12em;font-weight:800;background:#273228;border:1px solid #425442;padding:4px 6px;border-radius:4px;margin-bottom:10px}.meta{font-size:11px;color:var(--muted);line-height:1.5;margin-bottom:10px}
.inspector label{display:block;font-size:10px;font-weight:750;color:#9eaaa3;margin:9px 0 5px}.rich-editor{min-height:190px;background:#0b0f0d;border:1px solid var(--line);border-radius:5px;padding:10px;line-height:1.55;font-family:Georgia,"Times New Roman",serif;outline:none}.rich-editor:focus{border-color:var(--accent)}.rich-editor sup{color:#e17167}
.two{display:grid;grid-template-columns:1fr 1fr;gap:6px}.two input,.inspector>div input,.inspector input{width:100%;height:32px;padding:0 7px}.button-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}.full{width:100%;margin-top:8px}.help{font-size:10px;line-height:1.55;color:#839089;border-top:1px solid var(--line);margin-top:16px;padding-top:12px}.help strong{color:#cbd3ce}
@media(max-width:1100px){.app-shell{grid-template-columns:165px minmax(0,1fr)}.inspector{display:none}.topbar{grid-template-columns:220px auto 1fr}.status{display:none}}