:root{
  --bg:#16171a; --bg2:#1e2024; --line:#33363c; --fg:#e9e6e0; --dim:#a3a29e;
  --accent:#c8b18a; --warn:#e0774a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg)}
body{font:14px/1.45 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
#app{min-height:480px;display:flex;flex-direction:column}
#head{padding:14px 18px 6px;border-bottom:1px solid var(--line)}
h1{font-size:19px;margin:0 0 2px;letter-spacing:.03em;font-weight:600}
h2{font-size:14px;margin:14px 0 6px;letter-spacing:.04em;text-transform:uppercase;color:var(--dim)}
.sub{margin:0;color:var(--dim);font-size:12px}
#main{display:flex;align-items:flex-start;gap:14px;padding:14px;flex-wrap:wrap}
#stage{flex:1 1 420px;min-width:320px}
#panel{flex:0 0 306px;width:306px;max-width:100%}

#drop{border:1px dashed #4a4d54;border-radius:8px;padding:26px 16px;text-align:center;cursor:pointer;background:var(--bg2);transition:border-color .15s}
#drop:hover,#drop.over{border-color:var(--accent)}
#drop.small{padding:9px 12px}
#drop.small .dz2{display:none}
.dz1{margin:0 0 4px;font-size:15px}
.dz2{margin:0;color:var(--dim);font-size:12px}
.err{margin:8px 0 0;color:var(--warn);font-size:12px}
.warn{margin:6px 0 0;color:var(--warn);font-size:12px}
.hint{margin:6px 0 0;color:var(--dim);font-size:11.5px}

#viewWrap{margin-top:12px}
#view{display:block;max-width:100%;max-height:72vh;width:auto;height:auto;background:#0d0e10;border:1px solid var(--line);border-radius:3px;cursor:grab;touch-action:none}
#view:focus{outline:1px solid var(--accent)}
#exportOut{margin-top:12px}
#exportImg{display:block;max-width:100%;max-height:40vh;border:1px solid var(--line);margin-top:6px}

.grp{border:1px solid var(--line);border-radius:6px;background:var(--bg2);margin-bottom:8px}
.grp>summary{cursor:pointer;padding:8px 10px;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);list-style:none}
.grp>summary::-webkit-details-marker{display:none}
.grp>*:not(summary){padding:0 10px}
.grp>*:last-child{padding-bottom:10px}
.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:4px 0}
.row.srow{justify-content:space-between;margin-top:8px}
.row.lbl{color:var(--dim);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em}
label{font-size:12.5px;display:flex;align-items:center;gap:5px}
output{font-variant-numeric:tabular-nums;color:var(--accent);font-size:12.5px}
input[type=range]{width:100%;margin:2px 0 0;accent-color:var(--accent)}
input[type=text],input[type=datetime-local],select{background:#111214;color:var(--fg);border:1px solid var(--line);border-radius:4px;padding:3px 5px;font:12.5px inherit;font-family:inherit}
input[type=color]{width:42px;height:24px;padding:0;border:1px solid var(--line);background:#111214}
button{background:#2a2d33;color:var(--fg);border:1px solid var(--line);border-radius:4px;padding:4px 9px;font:12.5px inherit;font-family:inherit;cursor:pointer}
button:hover{border-color:var(--accent)}
button[aria-pressed=true]{background:var(--accent);color:#1b1a17;border-color:var(--accent)}
.sw{width:44px;height:26px;border:1px solid var(--line);border-radius:3px;cursor:pointer;padding:0}
.sw[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:1px}
.badge{font-size:10px;letter-spacing:.08em;border:1px solid var(--line);border-radius:3px;padding:1px 4px;color:var(--dim)}
.strike{border:1px solid var(--line);border-radius:5px;margin:8px 0;padding:0 0 6px}
.strike>summary{cursor:pointer;padding:6px 8px;font-size:12px;color:var(--fg);letter-spacing:.04em}
.strike>*:not(summary){padding:0 8px}
.tplbtn{padding:3px 7px}
#checkRows{display:block}
.crow{display:flex;gap:10px;border-bottom:1px solid var(--line);padding:5px 0;font-size:12px}
.cname{flex:0 0 45%;color:var(--dim)}
.cval{flex:1 1 auto;font-variant-numeric:tabular-nums;white-space:pre-wrap}
.na{color:#8a8a86}
@media (max-width:860px){
  #panel{flex:1 1 100%;width:100%}
}