:root{
  --bg:#f5f6f8;--pn:#ffffff;--pn2:#f0f2f5;--ink:#1b2230;--mut:#667085;--ln:#e2e5ea;
  --ac:#127a52;--ac-ink:#ffffff;--ac-soft:#e3f3ec;
  --warn:#b54708;--warn-soft:#fdf1e4;--bad:#b42318;--bad-soft:#fdecea;--info:#2458c6;--info-soft:#e7eefc;
  --r:8px;--sh:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f1317;--pn:#171c22;--pn2:#1d242c;--ink:#e6e9ee;--mut:#98a2b3;--ln:#2a313a;
  --ac:#3ccf91;--ac-ink:#08130e;--ac-soft:#16322a;
  --warn:#f5a54a;--warn-soft:#33240f;--bad:#f97066;--bad-soft:#3a1715;--info:#7aa2f7;--info-soft:#18233a;
  --sh:none;color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#0f1317;--pn:#171c22;--pn2:#1d242c;--ink:#e6e9ee;--mut:#98a2b3;--ln:#2a313a;
  --ac:#3ccf91;--ac-ink:#08130e;--ac-soft:#16322a;
  --warn:#f5a54a;--warn-soft:#33240f;--bad:#f97066;--bad-soft:#3a1715;--info:#7aa2f7;--info-soft:#18233a;
  --sh:none;color-scheme:dark;}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font:14px/1.5 system-ui,-apple-system,"Segoe UI","Hiragino Sans","Yu Gothic UI",sans-serif}
a{color:var(--ac)}
h1{font-size:20px;margin:0}h2{font-size:15px;margin:0 0 10px}
.mut{color:var(--mut)}.small{font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.num{font-variant-numeric:tabular-nums}

.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:16px;padding:10px 20px;
  background:var(--pn);border-bottom:1px solid var(--ln)}
.brand{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;font-weight:600;white-space:nowrap}
.brand svg{color:var(--ac)}
#crumb{display:flex;gap:6px;align-items:center;min-width:0;color:var(--mut);overflow:hidden}
#crumb a{color:var(--mut);text-decoration:none;white-space:nowrap}#crumb a:hover{color:var(--ink)}
#crumb span.cur{color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.queue{margin-left:auto;display:flex;gap:8px;font-size:12px;white-space:nowrap}

main{max-width:1500px;margin:0 auto;padding:20px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{justify-content:space-between}
.stack{display:flex;flex-direction:column;gap:16px}

.card{background:var(--pn);border:1px solid var(--ln);border-radius:var(--r);box-shadow:var(--sh)}
.pad{padding:16px}

button,.btn{font:inherit;font-size:13px;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:6px;
  border:1px solid var(--ln);background:var(--pn);color:var(--ink);cursor:pointer;text-decoration:none;white-space:nowrap}
button:hover:not(:disabled),.btn:hover{border-color:var(--mut)}
button:disabled{opacity:.5;cursor:default}
.pri{background:var(--ac);border-color:var(--ac);color:var(--ac-ink)}
.pri:hover:not(:disabled){filter:brightness(1.08);border-color:var(--ac)}
.danger{color:var(--bad)}.danger:hover:not(:disabled){border-color:var(--bad)}
.ghost{border-color:transparent;background:transparent}
.sm{padding:4px 9px;font-size:12px}
input,textarea,select{font:inherit;color:var(--ink);background:var(--pn);border:1px solid var(--ln);border-radius:6px;padding:7px 10px;width:100%}
textarea{resize:vertical;min-height:60px}
input:focus,textarea:focus,select:focus,button:focus-visible{outline:2px solid var(--ac);outline-offset:1px}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--mut)}

.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:1px 8px;border-radius:10px;border:1px solid var(--ln);white-space:nowrap}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.s-done{color:var(--ac);background:var(--ac-soft);border-color:transparent}
.s-failed{color:var(--bad);background:var(--bad-soft);border-color:transparent}
.s-skipped{color:var(--mut);background:var(--pn2);border-color:transparent}
.s-queued{color:var(--info);background:var(--info-soft);border-color:transparent}
.s-running{color:var(--warn);background:var(--warn-soft);border-color:transparent}
.s-running::before{animation:pulse 1s infinite}
.s-none{color:var(--mut)}
@keyframes pulse{50%{opacity:.25}}
.warnc{color:var(--warn)}.badc{color:var(--bad)}

/* empty states */
.empty{padding:40px;text-align:center;color:var(--mut)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.stat{padding:10px 14px}.stat b{display:block;font-size:22px;font-variant-numeric:tabular-nums}.stat span{font-size:12px;color:var(--mut)}

/* upload */
.drop{border:2px dashed var(--ln);border-radius:var(--r);padding:22px;text-align:center;color:var(--mut);cursor:pointer;transition:.15s}
.drop.on,.drop:hover{border-color:var(--ac);color:var(--ink);background:var(--ac-soft)}
.drop input{display:none}

/* table */
.tw{overflow-x:auto}
table{border-collapse:collapse;width:100%}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--ln);vertical-align:top}
th{font-size:12px;font-weight:600;color:var(--mut);background:var(--pn2);white-space:nowrap;position:sticky;top:0}
tr.click{cursor:pointer}tr.click:hover td{background:var(--pn2)}
td.fn{max-width:380px;word-break:break-all}
td.act{white-space:nowrap;text-align:right}

/* document */
.doc{display:grid;grid-template-columns:240px minmax(0,1fr) 270px;gap:16px;align-items:start}
.vers{max-height:calc(100vh - 150px);overflow:auto;position:sticky;top:70px}
.ver{display:block;padding:10px 14px;border-bottom:1px solid var(--ln);color:inherit;text-decoration:none}
.ver:hover{background:var(--pn2)}.ver.on{box-shadow:inset 3px 0 0 var(--ac);background:var(--pn2)}
.ver .l1{display:flex;justify-content:space-between;align-items:center;gap:6px}
.ver b{font-size:14px}.ver .star{color:#e0a100}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--ln);padding:0 8px;overflow-x:auto}
.tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;background:transparent;padding:10px 12px;color:var(--mut)}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--ac)}
.frame{width:100%;height:min(78vh,900px);border:0;display:block;background:var(--pn)}
.ov{display:block;max-width:100%;margin:0 auto;border-radius:4px;cursor:zoom-in}
.kv td:first-child{color:var(--mut);white-space:nowrap;width:1%}
.warns{margin:0;padding-left:18px;color:var(--warn)}
pre.json{margin:0;max-height:60vh;overflow:auto;background:var(--pn2);padding:12px;border-radius:6px;font-size:12px}
.diff-ch td{background:var(--warn-soft)}
details summary{cursor:pointer;color:var(--mut);font-size:13px}

dialog{border:1px solid var(--ln);border-radius:var(--r);background:var(--pn);color:var(--ink);padding:0;width:min(460px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(0,0,0,.35)}
dialog form{padding:18px;display:flex;flex-direction:column;gap:12px}

#toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);display:flex;flex-direction:column;gap:6px;z-index:20}
#toast div{background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:6px;font-size:13px;box-shadow:var(--sh)}

@media (max-width:860px){
  main{padding:14px 16px}
  .top{padding:10px 16px;flex-wrap:wrap}.queue{margin-left:0}
  .doc{grid-template-columns:1fr}.vers{position:static;max-height:260px}.runp{position:static;order:-1}
  .frame{height:480px}
  .hide-sm{display:none}
}

/* agent · corrections */
.src{font-size:12px;margin-left:2px}
.cnt{display:inline-block;min-width:18px;padding:0 5px;border-radius:9px;background:var(--pn2);color:var(--mut);font-size:11px;text-align:center}
.banner{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:9px 14px;border-radius:var(--r);font-size:13px}
.banner.info{background:var(--info-soft);color:var(--ink)}
.banner.warn{background:var(--warn-soft);color:var(--ink)}
.ovwrap{position:relative;max-width:100%;width:fit-content;margin:0 auto;touch-action:none}
.ovwrap .ov{margin:0}
.ovwrap.picking{cursor:crosshair}.ovwrap.picking .ov{cursor:crosshair}
.pbox{position:absolute;border:2px solid var(--info);background:color-mix(in srgb,var(--info) 10%,transparent);pointer-events:none;border-radius:2px}
.pbox.st-applied{border-color:var(--ac)}.pbox.st-proposed{border-color:var(--info)}.pbox.st-note{border-color:var(--warn)}
.pbox.st-pick{border-style:dashed;border-color:var(--bad)}
.pbox.hl{box-shadow:0 0 0 3px color-mix(in srgb,var(--bad) 45%,transparent)}
.pin{position:absolute;transform:translate(-50%,-110%);min-width:24px;height:24px;padding:0 6px;border-radius:12px 12px 12px 2px;
  font-size:11px;font-weight:600;border:0;color:#fff;background:var(--info);justify-content:center;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.pin.st-applied{background:#1f8a5c}.pin.st-note{background:#b54708}.pin.hl{outline:3px solid var(--bad)}
.hc{display:grid;grid-template-columns:180px minmax(0,1fr);gap:14px;padding:12px;border:1px solid var(--ln);border-radius:var(--r)}
.hc.hl{border-color:var(--bad);box-shadow:0 0 0 2px color-mix(in srgb,var(--bad) 30%,transparent)}
.hc img{width:180px;max-height:180px;object-fit:contain;border:1px solid var(--ln);border-radius:4px;background:#fff}
.hc .noimg{width:180px;height:90px;display:grid;place-items:center;color:var(--mut);font-size:12px;border:1px dashed var(--ln);border-radius:4px}
ol.steps{margin:8px 0 0;padding-left:22px;display:flex;flex-direction:column;gap:6px}
ol.steps li.say{color:var(--ink);font-style:italic}
ol.steps .mono{word-break:break-all}
@media (max-width:860px){.hc{grid-template-columns:1fr}.hc img,.hc .noimg{width:100%}}

/* run panel (right) */
.runp{position:sticky;top:70px}
.runp .sep{border-top:1px solid var(--ln)}
.opt{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--ln);border-radius:8px;cursor:pointer}
.opt input{width:auto;margin-top:3px}
.opt span{display:flex;flex-direction:column;gap:2px;min-width:0;overflow-wrap:anywhere}.opt small{color:var(--mut);font-size:12px;line-height:1.35}
.opt.on{border-color:var(--ac);background:var(--ac-soft)}
.opt.dis{opacity:.55;cursor:not-allowed}
button.big{justify-content:center;padding:10px 14px;font-size:14px;font-weight:600}
@media (max-width:1300px) and (min-width:861px){
  .doc{grid-template-columns:190px minmax(0,1fr) 220px;gap:12px}
  .opt{padding:8px 10px}
}

/* 3D: one or two side by side */
.cmpbar{padding-top:10px;padding-bottom:10px;border-bottom:1px solid var(--ln)}
.v3grid{display:grid;grid-template-columns:1fr}
.v3grid.two{grid-template-columns:1fr 1fr}
.v3grid.two .v3cell+.v3cell{border-left:1px solid var(--ln)}
.v3cell{min-width:0;display:flex;flex-direction:column}
.split.on{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.split>#pane{min-width:0}
.pdfside{min-width:0;display:flex;flex-direction:column;border-left:1px solid var(--ln)}
#main>.pdfside{border-left:0;border-top:1px solid var(--ln)}
@media (max-width:1100px){.split.on{grid-template-columns:1fr}.split.on .pdfside{border-left:0;border-top:1px solid var(--ln)}}
.v3h{display:flex;align-items:center;gap:6px;padding:6px 10px;font-size:12px;color:var(--mut);background:var(--pn2);border-bottom:1px solid var(--ln)}
.v3h span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:1100px){.v3grid.two{grid-template-columns:1fr}.v3grid.two .v3cell+.v3cell{border-left:0;border-top:1px solid var(--ln)}}
.ver .vname{font-size:13px;font-weight:600;color:var(--ink);word-break:break-word}

.okc{color:var(--ac)}
tr.on-row td{background:var(--ac-soft)}

/* language switch (header) */
.lang{display:flex;border:1px solid var(--ln);border-radius:6px;overflow:hidden}
.lang button{border:0;border-radius:0;padding:4px 10px;font-size:12px;color:var(--mut);background:var(--pn)}
.lang button[aria-pressed="true"]{background:var(--ac);color:var(--ac-ink)}

/* run progress (right panel) */
.prog{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--ln);border-radius:8px;background:var(--pn2)}
.prog .head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.prog .pct{font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}
.bar{height:8px;border-radius:4px;background:var(--ln);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--ac);transition:width .4s}
.bar.ind>i{width:35%;animation:ind 1.4s infinite ease-in-out}
@keyframes ind{0%{transform:translateX(-100%)}100%{transform:translateX(300%)}}
.prog .now b{display:block;font-size:13px}
.prog .now small{display:block;color:var(--mut);font-size:12px;line-height:1.35}
.stepl{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px;font-size:12px}
.stepl li{display:flex;gap:6px;align-items:baseline;color:var(--mut)}
.stepl li .ic{width:14px;flex:0 0 14px;text-align:center}
.stepl li.done{color:var(--ink)}.stepl li.done .ic{color:var(--ac)}
.stepl li.cur{color:var(--ink);font-weight:600}.stepl li.cur .ic{color:var(--warn)}
.tech{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:12px}
.tech li b{display:block}
.tech li small{color:var(--mut)}
/* grids on the comparison image */
.ovsvg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.gtools{gap:6px;margin-bottom:6px}
.gtools button[aria-pressed="true"]{background:var(--ac);color:var(--ac-ink);border-color:var(--ac)}
.gsum>div{margin:3px 0}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--ln);border-radius:10px;padding:1px 8px;background:var(--pn)}
.chip i{width:10px;height:10px;border-radius:2px;display:inline-block}
.gread{color:var(--mut);margin:4px 0 8px;min-height:1.4em}
/* coordinate grid compare */
.gcpanes{display:grid;gap:12px}.gcpanes.side{grid-template-columns:1fr 1fr}.gcpanes.over{grid-template-columns:1fr}
.gcpane{margin:0;border:1px solid var(--ln);border-radius:6px;overflow:hidden;background:#fff}
.gcpane figcaption{font-size:12px;font-weight:600;padding:6px 10px;border-bottom:1px solid var(--ln);background:var(--pn);color:var(--mut)}
.gcsvg{display:block;width:100%;height:auto;cursor:crosshair}
.infoc{color:var(--info)}.hlrow td{background:color-mix(in srgb,#ffb000 18%,transparent)}
.gtools[aria-pressed],.gtools button[data-gcm][aria-pressed="true"]{background:var(--ac);color:var(--ac-ink);border-color:var(--ac)}
@media (max-width:900px){.gcpanes.side{grid-template-columns:1fr}}
.gcpanes.stack{grid-template-columns:1fr}
.gcpane svg.gcsvg{width:100%;height:auto}
/* one-picture modes (swipe, blink, diff, overlay): keep the whole picture inside the window */
.gcpanes.over .gcpane{width:100%;max-width:82vh;margin:0 auto}
/* readiness for CAM (result tab): PASS / REVIEW / FAIL */
.banner.rd{margin-bottom:4px}.banner.rd.okc{background:var(--ac-soft)}.banner.rd.warnc{background:var(--warn-soft)}.banner.rd.badc{background:var(--bad-soft)}
tr.dr-off td{color:var(--bad)}

/* DXF tab: preview drawn from the DXF file */
.dxfwrap{border:1px solid var(--ln);border-radius:var(--r);background:var(--pn2);overflow:hidden}
.dxfwrap svg{width:100%;height:min(70vh,720px);display:block;cursor:grab;touch-action:none}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex:none}
.dxfwrap svg.ruler{cursor:crosshair}
.dxfwrap.ov{position:relative}.dxfwrap.ov img{width:100%;display:block;opacity:.5;user-select:none}
.dxfwrap.ov svg{position:absolute;inset:0;width:100%;height:100%;cursor:default}.dxfov g[data-layer]{stroke:#e5191c}