:root{
  --navy:#142442; --navy2:#1E3358; --ink:#12161C; --muted:#5D6672; --line:#E6E2E2; --line2:#D3CDCD; --bg:#FAF9F9; --panel:#FFFFFF; --chip:#F1EEEE;
  --accent:#B84A1A; --accent2:#B84A1A; --support:#4A6B8A; --sel:#ffd60a; --blue:#4A6B8A; --ok:#2b9348; --warn:#c9a227; --bad:#c1121f;
  --hover:#EDF1F5; --active:#E4EBF2; --activeLine:#A9BBCD; --accentTint:#F6E4DC;
  --f:'Open Sans','Segoe UI',system-ui,Arial,sans-serif; --fd:'Montserrat','Segoe UI',Arial,sans-serif; --mono:Consolas,'Cascadia Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:13px/1.4 var(--f);color:var(--ink);background:var(--bg);overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
#app{display:grid;grid-template-rows:auto minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr);height:100%}
[hidden]{display:none!important}

/* header */
#top{background:var(--navy);color:#fff}
.titlebar{display:flex;align-items:center;gap:16px;padding:6px 12px}
.brand{display:flex;align-items:baseline;gap:10px;min-width:0;flex:1}
.logo{font-family:var(--fd);font-weight:700;letter-spacing:.18em;font-size:16px;color:#fff}
.logo::after{content:'';display:inline-block;width:7px;height:7px;background:#E0773F;margin-left:4px;transform:rotate(45deg)}
.wsname{color:#A9B6C8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dirty{color:var(--accent)}
.search{position:relative;display:flex;flex:0 1 460px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:4px}
.search input{flex:1;background:none;border:0;color:#fff;padding:5px 10px;outline:none;font-family:var(--mono);font-size:12.5px;min-width:0}
.search input::placeholder{color:#8FA0B8;font-family:var(--f)}
.search button{background:none;border:0;color:#C9D3E0;cursor:pointer;padding:0 10px;font-size:16px}
#searchResults{position:absolute;top:100%;left:0;right:0;background:#fff;color:var(--ink);border:1px solid var(--line2);border-radius:4px;box-shadow:0 8px 24px rgba(0,0,0,.18);z-index:60;max-height:320px;overflow:auto;margin-top:4px}
#searchResults div{padding:6px 10px;cursor:pointer;border-bottom:1px solid var(--line)}
#searchResults div:hover{background:var(--chip)}
#searchResults small{color:var(--muted);display:block}
.userchip{font-size:12px;color:#C9D3E0;cursor:pointer;white-space:nowrap}
.tabs{display:flex;gap:2px;padding:0 8px;background:var(--navy)}
.tabs button{font-family:var(--fd);background:none;border:0;color:#A9B6C8;padding:6px 14px;cursor:pointer;border-radius:4px 4px 0 0;font-weight:600;font-size:12.5px}
.tabs button:hover{color:#fff}
.tabs button[aria-selected=true]{background:var(--panel);color:var(--navy)}
.ribbon{background:var(--panel);color:var(--ink);display:flex;align-items:stretch;gap:0;padding:4px 6px;border-bottom:1px solid var(--line2);min-height:86px;overflow-x:auto}
.rgroup{display:flex;flex-direction:column;border-right:1px solid var(--line);padding:0 8px}
.rgroup:last-child{border-right:0}
.rgroup .rbody{display:flex;gap:2px;flex:1;align-items:flex-start}
.rgroup .rtitle{font-family:var(--fd);font-size:10.5px;color:var(--muted);text-align:center;margin-top:2px;white-space:nowrap}
.rcol{display:flex;flex-direction:column;gap:1px}
.rbtn{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:1px solid transparent;border-radius:4px;padding:3px 5px;cursor:pointer;min-width:52px;font-size:11.5px;color:var(--ink)}
.rbtn .ic{width:26px;height:26px}
.rbtn.small{flex-direction:row;min-width:0;padding:2px 6px;gap:5px;justify-content:flex-start;font-size:11.5px}
.rbtn.small .ic{width:16px;height:16px}
.rbtn:hover:not([disabled]){background:var(--hover);border-color:var(--activeLine)}
.rbtn.on{background:var(--accentTint);border-color:var(--accent)}
.rbtn[disabled]{opacity:.38;cursor:default}
.rbtn span{white-space:nowrap}
.ic{display:inline-block;flex:none}

/* main */
#main{display:flex;min-height:0;min-width:0;overflow:hidden}
.pane{width:290px;background:var(--panel);display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line2);flex:none}
#right{width:330px;border-right:0;border-left:1px solid var(--line2)}
.pane.closed{display:none}
.paneTab{flex:none;width:18px;border:0;background:var(--chip);border-right:1px solid var(--line2);cursor:pointer;color:var(--muted)}
.paneTab.right{border-right:0;border-left:1px solid var(--line2)}
.phead{font-family:var(--fd);display:flex;align-items:center;gap:4px;padding:6px 8px;border-bottom:1px solid var(--line);font-weight:700;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy)}
.grow{flex:1}
.pbody{flex:1;overflow:auto;min-height:0}
.ib{background:none;border:1px solid transparent;border-radius:3px;cursor:pointer;color:var(--muted);padding:1px 5px;font-size:12px;line-height:1.3}
.ib:hover{border-color:var(--line2);color:var(--ink);background:var(--chip)}
#center{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}
#mapwrap{position:relative;flex:1;min-height:0;background:#E6E2E2;overflow:hidden}
#map,#overlay{position:absolute;left:0;top:0;width:100%;height:100%;display:block}
#overlay{cursor:crosshair;touch-action:none}
#scaleBar{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.88);padding:2px 6px;border-radius:3px;font-size:11px;font-family:var(--mono);pointer-events:none}
#attrib{position:absolute;right:4px;bottom:2px;font-size:10px;color:#333;background:rgba(255,255,255,.7);padding:0 4px;pointer-events:none}
#maptip{position:absolute;pointer-events:none;background:#fff;border:1px solid var(--line2);border-radius:4px;padding:4px 7px;font-size:11.5px;box-shadow:0 4px 14px rgba(0,0,0,.15);max-width:320px;z-index:5}
#dynInput{position:absolute;pointer-events:none;background:rgba(19,41,75,.92);color:#fff;font-family:var(--mono);font-size:11.5px;padding:2px 6px;border-radius:3px;white-space:pre;z-index:6}

/* tree */
.tnode{display:flex;align-items:center;gap:3px;padding:2px 6px;cursor:pointer;border:1px solid transparent;white-space:nowrap;min-width:0}
.tnode:hover{background:var(--chip)}
.tnode.active{background:var(--active);border-color:var(--activeLine)}
.tnode.drop{border-top:2px solid var(--accent)}
.tnode.dropin{background:var(--accentTint)}
.tnode .nm{flex:1;overflow:hidden;text-overflow:ellipsis}
.tnode .tg{font-family:var(--mono);font-size:9.5px;color:var(--muted);border:1px solid var(--line2);border-radius:2px;padding:0 3px}
.tnode .ct{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.tnode .tw{width:14px;text-align:center;color:var(--muted);flex:none}
.tnode .sw{width:14px;height:12px;border-radius:2px;flex:none;border:1px solid rgba(0,0,0,.2)}
.tnode .tb{background:none;border:0;cursor:pointer;padding:0 2px;font-size:12px;opacity:.85;width:18px}
.tnode .tb.off{opacity:.25}
.tnode .tb.onf{color:var(--blue)}
.tnode.frozen .nm{color:#9aa5b1;font-style:italic}
.tnode.folder .nm{font-weight:600}
.tnode.lvl0 .nm{color:var(--navy)}
.tree-empty{padding:16px;color:var(--muted)}

/* dock / table */
.dock{border-top:1px solid var(--line2);background:var(--panel);display:flex;flex-direction:column;height:240px;flex:none;min-width:0}
.dock.min{height:30px}
.dhead{font-family:var(--fd);display:flex;align-items:center;gap:8px;padding:3px 8px;border-bottom:1px solid var(--line);font-weight:600;font-size:12px;min-height:29px}
.dhead input,.dhead select{font-size:12px;padding:2px 5px;border:1px solid var(--line2);border-radius:3px;background:#fff}
.dbody{flex:1;overflow:auto;min-height:0}
table.at{border-collapse:separate;border-spacing:0;font-size:12px;width:max-content}
table.at th{position:sticky;top:0;background:var(--chip);border-bottom:1px solid var(--line2);border-right:1px solid var(--line);padding:3px 8px;text-align:left;white-space:nowrap;font-weight:600;cursor:pointer;z-index:1}
table.at th.sys{color:#6b7684;font-style:italic}
table.at th .ar{color:var(--accent2)}
table.at td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:2px 8px;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis;font-family:var(--mono);font-size:11.5px}
table.at td.sys{background:#FBFAFA;color:#4A5562}
table.at tr.sel td{background:#fff5bf}
table.at tr:hover td{background:var(--hover)}
table.at td.edit{background:#fff;outline:2px solid var(--blue)}
table.at td input,table.at td select{width:100%;border:0;padding:0;font:inherit;background:transparent;outline:none}
table.at td.rowh{background:var(--chip);color:var(--muted);text-align:right;cursor:pointer}

/* props */
.psec{border-bottom:1px solid var(--line);padding:8px 10px}
.psec h4{font-family:var(--fd);margin:0 0 6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.prow{display:grid;grid-template-columns:118px 1fr;gap:6px;align-items:center;margin:2px 0}
.prow label{font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prow input,.prow select,.prow textarea{width:100%;border:1px solid var(--line2);border-radius:3px;padding:2px 5px;font-size:12px;background:#fff;min-width:0}
.prow input[readonly]{background:#F4F2F2;color:#4A5562;font-family:var(--mono);font-size:11.5px;border-color:var(--line)}
.prow input[type=color]{padding:0;height:22px}
.prow .inl{display:flex;gap:4px}
details.pd{border-bottom:1px solid var(--line)}
details.pd>summary{font-family:var(--fd);cursor:pointer;padding:6px 10px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
details.pd>div{padding:2px 10px 8px}
.btn{font-family:var(--fd);border:1px solid var(--line2);background:#fff;border-radius:4px;padding:5px 12px;cursor:pointer;font-weight:600;font-size:12.5px}
.btn:hover{border-color:var(--blue)}
.btn.pri{background:var(--accent2);border-color:var(--accent2);color:#fff}
.btn.pri:hover{filter:brightness(1.06)}
.btn.sm{padding:2px 8px;font-size:11.5px}
.btn.danger{color:var(--bad)}
.hint{color:var(--muted);font-size:11.5px}
.empty{padding:16px;color:var(--muted)}
.badge{display:inline-block;font-family:var(--mono);font-size:10px;padding:0 5px;border-radius:2px;background:var(--chip);border:1px solid var(--line2)}
.badge.OK{background:#d8f3dc;border-color:#95d5b2}.badge.AMBIGUOUS,.badge.BEYOND_END{background:#fff3bf;border-color:#e9c46a}.badge.UNASSOCIATED{background:#f1f3f5}.badge.LOCKED{background:#dbe7fb;border-color:#9dbbea}

/* footer */
#bottom{background:var(--panel);border-top:1px solid var(--line2)}
.cmdline{display:flex;align-items:center;gap:6px;padding:3px 8px;border-bottom:1px solid var(--line);position:relative}
.prompt{font-family:var(--mono);font-size:12px;color:var(--navy);font-weight:700;white-space:nowrap}
#cmd{flex:1;border:0;outline:none;font-family:var(--mono);font-size:12.5px;padding:3px 2px;background:transparent}
#cmdHint{position:absolute;left:8px;bottom:100%;background:#fff;border:1px solid var(--line2);border-radius:4px;box-shadow:0 6px 18px rgba(0,0,0,.14);font-size:12px;max-height:220px;overflow:auto;z-index:40;min-width:320px}
#cmdHint:empty{display:none}
#cmdHint div{padding:3px 10px;cursor:pointer;display:flex;gap:10px}
#cmdHint div b{font-family:var(--mono);min-width:44px;color:var(--accent2)}
#cmdHint div:hover,#cmdHint div.on{background:var(--chip)}
.status{display:flex;align-items:center;gap:14px;padding:3px 10px;font-family:var(--mono);font-size:11.5px;color:#334;white-space:nowrap;overflow:hidden}
.status .btnish{cursor:pointer;border:1px solid var(--line2);border-radius:3px;padding:0 6px;background:var(--bg);font-family:var(--f)}
.status .btnish:hover{border-color:var(--blue)}

/* modal / toast / tip */
#modal{position:fixed;inset:0;background:rgba(15,25,40,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}
.mbox{background:#fff;border-radius:6px;box-shadow:0 18px 50px rgba(0,0,0,.3);width:min(640px,100%);max-height:calc(100% - 32px);display:flex;flex-direction:column}
.mbox.wide{width:min(1100px,100%)}
.mbox.full{width:min(1400px,100%);height:calc(100% - 32px)}
.mhead{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);gap:8px}
.mhead h2{font-family:var(--fd);margin:0;font-size:15px;flex:1;color:var(--navy)}
.mbody{padding:14px 16px;overflow:auto;display:flex;flex-direction:column;gap:10px;min-height:0;flex:1}
.mfoot{padding:10px 16px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.form{display:grid;grid-template-columns:160px 1fr;gap:8px 12px;align-items:center}
.form label{color:var(--muted);font-size:12px}
.form input,.form select,.form textarea{border:1px solid var(--line2);border-radius:3px;padding:4px 7px;width:100%;background:#fff}
.form .full{grid-column:1/-1}
.mbody table{border-collapse:collapse;font-size:12px}
.mbody table th,.mbody table td{border:1px solid var(--line);padding:3px 7px;text-align:left}
.mbody table th{background:var(--chip)}
.drop{border:2px dashed var(--line2);border-radius:6px;padding:24px;text-align:center;color:var(--muted);cursor:pointer}
.drop.on,.drop:hover{border-color:var(--accent);color:var(--ink)}
#toast{position:fixed;left:50%;bottom:70px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:8px 16px;border-radius:4px;z-index:120;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:70vw}
#tip{position:fixed;z-index:130;background:var(--ink);color:#fff;font-size:12px;padding:6px 9px;border-radius:4px;max-width:300px;pointer-events:none;box-shadow:0 6px 18px rgba(0,0,0,.25)}
#tip b{display:block;margin-bottom:2px}
#tip kbd{font-family:var(--mono);background:rgba(255,255,255,.15);padding:0 4px;border-radius:2px}
#tip .why{color:#ffd29a;margin-top:3px}
.sheetwrap{display:grid;grid-template-columns:260px 1fr;gap:12px;min-height:0;flex:1}
.sheetlist{overflow:auto;border:1px solid var(--line);border-radius:4px}
.sheetlist div{padding:5px 8px;border-bottom:1px solid var(--line);cursor:pointer;font-size:12px}
.sheetlist div.on{background:var(--active)}
.sheetprev{background:#7E8794;border-radius:4px;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:12px;min-height:0}
.sheetprev canvas{background:#fff;box-shadow:0 4px 18px rgba(0,0,0,.3)}
.bandrow{display:grid;grid-template-columns:20px 1fr 1fr 1fr 70px 24px;gap:6px;align-items:center;margin:3px 0}
.bandrow select,.bandrow input{border:1px solid var(--line2);border-radius:3px;padding:2px 4px;font-size:12px;width:100%}
.listrow{display:flex;gap:6px;align-items:center;margin:2px 0}
.listrow input{flex:1;border:1px solid var(--line2);border-radius:3px;padding:2px 6px}
.listrow select{min-width:0;flex:1;font-size:12px}
.dhead{flex-wrap:wrap}
#dockTools{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.zonepick{height:260px;border:1px solid var(--line2);border-radius:4px;position:relative;overflow:hidden;cursor:crosshair}
.kbd{font-family:var(--mono);background:var(--chip);border:1px solid var(--line2);border-radius:3px;padding:0 4px;font-size:11px}
.btn .ic{width:28px;height:28px}