:root{--navy:#14263a;--copper:#b8763e;--grey:#5a5a5a;--pale:#f4f6f9;--line:#d5dbe3;--ink:#1a1f26;--red:#a8201a;--green:#1d7a3e;--pick:#e8750a;--joint:#d0021b;--cm:#2f7fd6}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--pale);color:var(--ink);font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;display:flex;flex-direction:column}
button{font:inherit;border:1px solid var(--line);background:#fff;border-radius:3px;padding:5px 10px;cursor:pointer;color:var(--ink)}
button:hover{border-color:var(--navy)}
button.primary{background:var(--navy);color:#fff;border-color:var(--navy)}
button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
button.danger{color:var(--red)}
button:disabled{opacity:.45;cursor:default}
input,textarea,select{font:inherit;padding:5px 7px;border:1px solid var(--line);border-radius:3px;width:100%;background:#fff}
textarea{min-height:70px;resize:vertical}
input:disabled,select:disabled,textarea:disabled{background:var(--pale);color:var(--grey)}
label{display:block;font-size:12px;color:var(--grey);margin:8px 0 3px}
.muted{color:var(--grey)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;padding:6px 14px;border-bottom:3px solid var(--navy);flex:none}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{height:28px}
.name{padding-left:12px;border-left:1px solid var(--line);font-weight:600;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.barright{display:flex;align-items:center;gap:12px;white-space:nowrap}
.chip{font-size:12px;border:1px solid var(--line);border-radius:10px;padding:1px 9px;background:var(--pale)}
#banner{background:#fff6e5;border-bottom:1px solid #f0d9a8;padding:8px 14px;flex:none}
#banner b{color:#7a4b00}
.wrap{flex:1;display:flex;min-height:0}
.left,.right{width:250px;flex:none;background:#fff;border-right:1px solid var(--line);overflow:auto;padding:8px 12px}
aside.right{border-right:0;border-left:1px solid var(--line);width:300px}
h2{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--grey);margin:12px 0 6px}
h3{font-size:14px;margin:4px 0 8px;color:var(--navy)}
.sheet{padding:6px 8px;border:1px solid transparent;border-radius:3px;cursor:pointer;margin-bottom:2px}
.sheet:hover{border-color:var(--line)}
.sheet.cur{background:#e8eef6;border-color:#c5d3e6}
.sheet small{display:block;color:var(--grey)}
.file{font-size:12.5px;margin:3px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.center{flex:1;display:flex;flex-direction:column;min-width:0}
.tools{display:flex;gap:6px;align-items:center;padding:6px 10px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tools .sep{width:10px}
#view{flex:1;position:relative;overflow:hidden;background:#e4e8ee;cursor:default;touch-action:none}
#view.draw{cursor:crosshair}
#paper{position:absolute;left:0;top:0;transform-origin:0 0;box-shadow:0 2px 10px rgba(0,0,0,.18);background:#fff}
#paper img{display:block;width:100%;height:100%;user-select:none;-webkit-user-drag:none}
#ov{position:absolute;left:0;top:0;width:100%;height:100%;overflow:visible}
#empty[hidden]{display:none}
#empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:30px}
.jt{stroke:var(--joint);fill:none;stroke-linecap:round}
.jt.sel{stroke:var(--pick)}
.hit{stroke:transparent;fill:none;cursor:pointer}
.tag{font:bold 11px sans-serif;fill:var(--joint)}
.tagbox{fill:#fff;stroke:var(--joint)}
.grip{fill:#fff;stroke:var(--pick);cursor:move}
.snap{fill:none;stroke:#1d7a3e}
.rub{stroke:var(--pick);stroke-dasharray:6 4;fill:none}
.cm{fill:var(--cm);stroke:#fff;cursor:pointer}
.scl{stroke:#1d7a3e;stroke-dasharray:4 3}
.props-empty{color:var(--grey);font-size:13px}
.row{display:flex;gap:6px;align-items:center;margin:6px 0;flex-wrap:wrap}
.row>*{flex:none}
.approx{font-size:11px;color:#7a4b00;letter-spacing:.03em}
.pick{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:3px;padding:6px;margin:6px 0;background:var(--pale)}
.pick img{width:64px;height:40px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.lib{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;max-height:56vh;overflow:auto;margin-top:8px}
.lib .it{border:1px solid var(--line);border-radius:3px;padding:6px;cursor:pointer;font-size:12px;background:#fff}
.lib .it:hover,.lib .it.on{border-color:var(--pick);box-shadow:0 0 0 1px var(--pick)}
.lib .it img{width:100%;height:84px;object-fit:contain;display:block;margin-bottom:4px}
.lib .it b{display:block}
.tabs{display:flex;gap:4px;margin-bottom:8px}
.tabs button{flex:1;font-size:12.5px}
.cmt{border-bottom:1px solid var(--line);padding:6px 0;font-size:13px;cursor:pointer}
.cmt small{color:var(--grey);display:block}
.cd{border:1px solid var(--line);border-radius:3px;padding:8px;margin:6px 0;background:var(--pale)}
.cd b{color:var(--navy)}
#dlg-bg{position:fixed;inset:0;background:rgba(20,38,58,.35);display:flex;align-items:center;justify-content:center;z-index:50}
#dlg-bg[hidden]{display:none}
#dlg{background:#fff;border-radius:6px;min-width:340px;max-width:min(880px,94vw);max-height:90vh;display:flex;flex-direction:column;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.dlg-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.dlg-head button{border:0;font-size:16px;padding:2px 6px}
#dlg-body{padding:12px 14px;overflow:auto}
.dlg-foot{padding:10px 14px;border-top:1px solid var(--line);text-align:right}
.pages{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.pages label{border:1px solid var(--line);border-radius:3px;padding:6px;margin:0;color:var(--ink);cursor:pointer}
.pages img{width:100%;display:block;margin:4px 0;border:1px solid var(--line)}
.err{color:var(--red)}
#busy{position:fixed;left:50%;top:60px;transform:translateX(-50%);background:var(--navy);color:#fff;font-size:12.5px;padding:4px 14px;border-radius:12px;z-index:60}
#busy[hidden]{display:none}
body.ro .edit-only{display:none}
body.closed{align-items:center;justify-content:center}
.card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:6px;padding:30px 32px;max-width:420px;text-align:center;box-shadow:0 6px 24px rgba(20,38,58,.08);margin:16px}
.card-logo{height:40px;margin-bottom:10px}
.card h1{font-size:18px;color:var(--navy);margin:4px 0 10px}
.card p{color:var(--grey);margin:0}
@media (max-width:900px){.left{width:180px}aside.right{width:240px}}
.dim line{stroke:#1f5fbf}
.dim text{fill:#1f5fbf;stroke:#fff;paint-order:stroke;font-weight:600;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.dim.live line{stroke:var(--pick)}
.dim.live text{fill:var(--pick)}
.op rect{fill:rgba(47,127,214,.13);stroke:#2f7fd6;cursor:pointer}
.op rect.pane{fill:none;stroke:#2f7fd6;stroke-dasharray:3 2}
.op text{fill:#1f4f8f;stroke:#fff;paint-order:stroke;font-weight:600;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;cursor:pointer}
.op.sel rect{stroke:var(--pick);fill:rgba(232,117,10,.12)}
.ar .fill{fill:rgba(29,122,62,.08);stroke:none;pointer-events:none}
.ar .edge{fill:none;stroke:#1d7a3e;pointer-events:none}
.ar .hit{fill:none;stroke:transparent;cursor:pointer}
.ar text,.ar-live{fill:#145a2d;stroke:#fff;paint-order:stroke;font-weight:600;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.ar text{cursor:pointer}
.ar.sel .edge{stroke:var(--pick)}
.agrip{fill:#fff;stroke:var(--pick);cursor:move}