:root{
  --bg:#F3F1EC;--panel:#FFFFFF;--panel2:#FAF9F6;--line:#E2DFD6;--line2:#CFCBC0;--text:#2C2C2A;--muted:#6E6D67;--faint:#9A988F;
  --accent:#185FA5;--accent-bg:#E6F1FB;--ok:#3B6D11;--ok-bg:#EAF3DE;--warn:#854F0B;--warn-bg:#FAEEDA;--err:#A32D2D;--err-bg:#FCEBEB;
  --r:8px;font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;font-size:13px;color:var(--text)
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);overflow:hidden}
button{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--line2);border-radius:6px;padding:5px 10px;cursor:pointer;white-space:nowrap}
button:hover{background:var(--panel2);border-color:#B4B2A9}
button.on{background:var(--accent-bg);border-color:#85B7EB;color:#0C447C}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.danger{color:var(--err);border-color:#F09595}
input,select{font:inherit;color:var(--text);border:1px solid var(--line2);border-radius:6px;padding:4px 7px;background:#fff;min-width:0}
input:focus,select:focus{outline:2px solid #85B7EB;outline-offset:-1px;border-color:#378ADD}
label input[type=checkbox]{vertical-align:-2px;margin:0 3px 0 0}
.sep{width:1px;height:20px;background:var(--line);display:inline-block;margin:0 4px}

.top{display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--line);height:50px}
.brand{display:flex;align-items:center;gap:8px;min-width:200px}
.logo{font-size:20px;color:var(--accent)}
.pj-name{font-weight:600;font-size:15px;border-color:transparent;width:220px}
.pj-name:hover{border-color:var(--line2)}
.tbar{display:flex;align-items:center;gap:5px;flex-wrap:nowrap;overflow:auto}
.tabs{margin-left:auto;display:flex;gap:4px}
.tabs button{border-radius:6px}

.kpibar{display:flex;gap:6px;padding:6px 12px;background:var(--panel2);border-bottom:1px solid var(--line);overflow-x:auto;height:52px;align-items:center}
.chip{display:flex;flex-direction:column;padding:3px 10px;border-radius:6px;background:var(--panel);border:1px solid var(--line);min-width:118px;cursor:default}
.chip .l{font-size:11px;color:var(--muted);white-space:nowrap}
.chip .v{font-size:15px;font-weight:600;white-space:nowrap}
.chip.ok .v{color:var(--ok)}.chip.warn{background:var(--warn-bg);border-color:#FAC775}.chip.warn .v{color:var(--warn)}
.chip.err{background:var(--err-bg);border-color:#F7C1C1}.chip.err .v{color:var(--err)}
.chip.click{cursor:pointer}

.body{display:grid;grid-template-columns:232px minmax(0,1fr) 300px;height:calc(100% - 102px)}
.body.hide-lib{grid-template-columns:0 minmax(0,1fr) 300px}
.body.hide-props{grid-template-columns:232px minmax(0,1fr) 0}
.body.hide-lib.hide-props{grid-template-columns:0 minmax(0,1fr) 0}
.body.hide-lib .lib,.body.hide-props .props{display:none}
.lib{grid-column:1}.stage{grid-column:2}.props{grid-column:3}
.tbar button{padding:5px 8px}
.brand{min-width:150px}.pj-name{width:170px}
.edge{position:absolute;top:50%;z-index:6;transform:translateY(-50%);width:18px;height:56px;padding:0;border-radius:0 8px 8px 0;font-size:16px;line-height:1;color:var(--muted);background:var(--panel);border:1px solid var(--line2);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.edge-l{left:0;border-left:none}
.edge-r{right:0;border-right:none;border-radius:8px 0 0 8px}
.edge:hover{color:var(--accent);background:var(--accent-bg)}
#b-focus.on{background:var(--accent-bg);border-color:#85B7EB;color:#0C447C}
.lib{background:var(--panel);border-right:1px solid var(--line);overflow:auto;padding:10px}
.lib-q{width:100%;margin-bottom:8px}
.lib h4{margin:12px 0 6px;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.lib-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.lib-item{border:1px solid var(--line);border-radius:var(--r);padding:6px 6px 5px;background:var(--panel2);cursor:grab;user-select:none;display:flex;flex-direction:column;align-items:center;gap:4px}
.lib-item:hover{border-color:#85B7EB;background:var(--accent-bg)}
.lib-item svg{width:100%;height:46px}
.lib-item span{font-size:11px;text-align:center;line-height:1.25}
.hint{color:var(--faint);font-size:11px;line-height:1.5}

.stage{position:relative;overflow:hidden;background:#ECEAE3}
.view{position:absolute;inset:0;display:none;flex-direction:column}
.view.on{display:flex}
.vtools{display:flex;align-items:center;gap:5px;padding:6px 10px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.vtools label{color:var(--muted);margin-left:4px;white-space:nowrap;cursor:pointer}
.canvas2d,.canvas3d{flex:1;position:relative;overflow:hidden;min-height:0}
.canvas2d svg{width:100%;height:100%;display:block;user-select:none}
.canvas3d canvas{display:block}
.status{display:flex;justify-content:space-between;gap:12px;padding:4px 10px;background:var(--panel);border-top:1px solid var(--line);color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden}
.status .keys{overflow:hidden;text-overflow:ellipsis}

.props{background:var(--panel);border-left:1px solid var(--line);overflow:auto;padding:12px}
.props h3{margin:0 0 2px;font-size:14px}
.props .sub{color:var(--muted);font-size:12px;margin-bottom:10px}
.props .sec{border-top:1px solid var(--line);margin-top:12px;padding-top:10px}
.props .sec h4{margin:0 0 8px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.frm{display:grid;grid-template-columns:1fr 104px;gap:6px 8px;align-items:center}
.frm label{color:var(--muted);font-size:12px;line-height:1.3}
.frm input,.frm select{width:100%}
.frm input[type=checkbox]{width:auto;justify-self:start}
.row-btn{display:flex;gap:5px;flex-wrap:wrap;margin-top:10px}
.facts{display:grid;grid-template-columns:1fr auto;gap:3px 8px;font-size:12px}
.facts span:nth-child(odd){color:var(--muted)}
.facts span:nth-child(even){font-weight:600;text-align:right}
.warns{display:flex;flex-direction:column;gap:5px}
.wn{padding:6px 8px;border-radius:6px;font-size:12px;line-height:1.4;cursor:pointer;border:1px solid transparent}
.wn.err{background:var(--err-bg);color:var(--err);border-color:#F7C1C1}
.wn.warn{background:var(--warn-bg);color:var(--warn);border-color:#FAC775}
.wn.okk{background:var(--ok-bg);color:var(--ok);cursor:default}
.shape-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:8px}
.shape-mini button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px}
.shape-mini svg{width:56px;height:38px}

.kpi-wrap{overflow:auto;padding:16px 18px 30px;height:100%}
.kpi-wrap h2{font-size:16px;margin:18px 0 10px}
.kpi-wrap h2:first-child{margin-top:0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.card .l{font-size:12px;color:var(--muted)}
.card .v{font-size:22px;font-weight:600;margin-top:2px}
.card .s{font-size:11px;color:var(--faint);margin-top:2px}
.card.err{border-color:#F7C1C1;background:var(--err-bg)}.card.err .v{color:var(--err)}
.card.warn{border-color:#FAC775;background:var(--warn-bg)}.card.warn .v{color:var(--warn)}
.card.ok .v{color:var(--ok)}
.cols2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
@media (max-width:1300px){.cols2{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.panel h3{margin:0 0 8px;font-size:13px}
table.t{width:100%;border-collapse:collapse;font-size:12px}
table.t th{text-align:left;color:var(--muted);font-weight:600;padding:5px 6px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:5px 6px;border-bottom:1px solid #EFEDE7}
table.t td.n,table.t th.n{text-align:right;font-variant-numeric:tabular-nums}
table.t tr.sel{cursor:pointer}table.t tr.sel:hover td{background:var(--accent-bg)}
.bar{height:8px;background:#EFEDE7;border-radius:4px;overflow:hidden;min-width:70px}
.bar i{display:block;height:100%;border-radius:4px}
.pform{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.pgroup{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.pgroup h4{margin:0 0 8px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.prow{display:grid;grid-template-columns:1fr 78px 92px;gap:6px;align-items:center;margin-bottom:5px;font-size:12px}
.prow input{width:100%;text-align:right}
.prow .u{color:var(--faint);font-size:11px}
.tag{display:inline-block;padding:1px 7px;border-radius:10px;font-size:11px;font-weight:600}
.tag.ok{background:var(--ok-bg);color:var(--ok)}.tag.warn{background:var(--warn-bg);color:var(--warn)}.tag.err{background:var(--err-bg);color:var(--err)}

.modal{position:fixed;inset:0;background:rgba(30,30,28,.45);display:flex;align-items:center;justify-content:center;z-index:20}
.modal[hidden]{display:none}
.dlg{background:#fff;border-radius:12px;padding:18px 20px;width:min(560px,94vw);box-shadow:0 12px 40px rgba(0,0,0,.2)}
.dlg h2{margin:0 0 12px;font-size:17px}
.shapes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.shapes button{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 6px}
.shapes svg{width:120px;height:80px}
.shapes small{color:var(--muted);font-size:11px;white-space:normal;text-align:center;line-height:1.35}
.grid2{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.grid2 label,.dlg label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
.dlg label.chk{flex-direction:row;align-items:center;margin-top:12px;gap:6px}
.dlg-act{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.loc-info{position:absolute;width:290px;background:#fff;border:1px solid var(--line2);border-radius:10px;padding:9px 11px;box-shadow:0 6px 24px rgba(0,0,0,.14);font-size:12px;z-index:5}
.loc-info[hidden]{display:none}
.li-h{display:flex;justify-content:space-between;font-size:14px}.li-h span{cursor:pointer;color:var(--muted);font-size:18px;line-height:1;padding:0 2px}
.li-s{color:var(--muted);margin:2px 0 6px}
.loc-info table{width:100%;border-collapse:collapse}.loc-info td{padding:3px 4px;border-top:1px solid #EFEDE7;vertical-align:top}
.loc-info td.n{text-align:right;white-space:nowrap;font-weight:600}
.loc-info i,.inv-tbl i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:0}
.li-f{margin-top:6px;color:var(--muted)}.li-w{color:var(--err)}
.inv-box{max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:6px;margin-top:6px}
.inv-tbl{width:100%;border-collapse:collapse;font-size:11.5px}
.inv-tbl th{position:sticky;top:0;background:var(--panel2);text-align:left;color:var(--muted);font-weight:600;padding:4px 6px;border-bottom:1px solid var(--line)}
.inv-tbl td{padding:3px 6px;border-bottom:1px solid #F1EFEA;white-space:nowrap}
.inv-tbl td.n{text-align:right}.inv-tbl tr.hit td{background:var(--warn-bg)}
.cmp{display:grid;grid-template-columns:1fr auto auto;gap:3px 10px;font-size:12px}
.cmp b{font-weight:600;text-align:right}.cmp .hd{color:var(--faint);font-size:11px;text-align:right}
.note{font-size:11.5px;color:var(--warn);background:var(--warn-bg);border-radius:6px;padding:6px 8px;margin-top:8px;line-height:1.45}
.sim-btn{border-color:#1D9E75;color:#0F6E56}
.sim-btn.on{background:#1D9E75;color:#fff;border-color:#0F6E56}
.body.sim .lib{opacity:.4;pointer-events:none}
.sim-clock{font-size:26px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.sim-ctl{display:flex;gap:5px;flex-wrap:wrap;align-items:center;margin:8px 0 2px}
.sim-ctl .primary{min-width:92px}
.sim-tbl{width:100%;border-collapse:collapse;font-size:12px}
.sim-tbl th{text-align:left;color:var(--muted);font-weight:600;padding:3px 4px;border-bottom:1px solid var(--line);font-size:11px}
.sim-tbl td{padding:3px 4px;border-bottom:1px solid #F1EFEA}.sim-tbl td.n,.sim-tbl th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.sim-tbl .good{color:var(--ok);font-weight:600}.sim-tbl .low{color:var(--err);font-weight:600}
.ag-list{max-height:210px;overflow:auto;font-size:11.5px;border:1px solid var(--line);border-radius:6px}
.ag-list div{display:flex;gap:6px;padding:3px 6px;border-bottom:1px solid #F1EFEA;align-items:baseline}
.ag-list b{min-width:44px;font-weight:600}.ag-list i{display:inline-block;width:8px;height:8px;border-radius:50%;flex:none;align-self:center}
.ag-list span{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sim-log{max-height:190px;overflow:auto;font-size:11.5px;line-height:1.5;border:1px solid var(--line);border-radius:6px;padding:4px 7px}
.sim-log div{border-bottom:1px solid #F4F2EE}.sim-log em{color:var(--faint);font-style:normal;margin-right:5px;font-variant-numeric:tabular-nums}
.props details summary{cursor:pointer;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.dlg-wide{width:min(860px,96vw);max-height:92vh;overflow:auto}
.ops-sec{margin:12px 0}.ops-sec h3{font-size:13px;margin:0 0 6px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.ops-drop{border:1.5px dashed var(--line2);border-radius:10px;padding:16px;text-align:center;color:var(--muted);line-height:1.6}
.ops-drop.over{border-color:#378ADD;background:var(--accent-bg)}
.ops-opts label{display:flex;flex-direction:row;align-items:flex-start;gap:8px;color:var(--text);font-size:13px;margin:6px 0;line-height:1.45}
.ops-opts label input{margin-top:3px}
.res-tbl input{width:64px;text-align:right}
.prog{display:grid;grid-template-columns:1fr auto;gap:2px 8px;font-size:12px;margin-bottom:6px}
.prog .bar{grid-column:1 / -1}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#2C2C2A;color:#fff;padding:9px 16px;border-radius:8px;z-index:30;max-width:80vw;font-size:13px;line-height:1.5}
/* bản đồ nhỏ 2D, la bàn và gợi ý đi bộ 3D */
.minimap{position:absolute;right:10px;bottom:10px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.12);padding:4px 6px 6px;z-index:3;user-select:none}
.minimap .mm-h{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11px;color:var(--muted);margin-bottom:2px}
.minimap .mm-h button{border:0;background:none;cursor:pointer;font-size:13px;line-height:1;padding:0 2px;color:var(--muted)}
.minimap svg{display:block;cursor:crosshair}
.minimap.min svg{display:none}
.compass{position:absolute;right:10px;top:10px;cursor:pointer;z-index:3;filter:drop-shadow(0 1px 3px rgba(0,0,0,.2))}
.walk-hint{position:absolute;left:50%;top:10px;transform:translateX(-50%);background:rgba(44,44,42,.88);color:#fff;font-size:12px;padding:6px 12px;border-radius:6px;z-index:3;white-space:nowrap}
.btn-grp{display:inline-flex}.btn-grp button{border-radius:0;margin-left:-1px}.btn-grp button:first-child{border-radius:6px 0 0 6px;margin-left:0}.btn-grp button:last-child{border-radius:0 6px 6px 0}
#t-walk.on{background:#185FA5;color:#fff;border-color:#185FA5}