/* Area: generation (S14 generate, S15 variant compare, S16 job queue) in the unified shell
   (docs/SHELL-SPEC.md §6 Generation). Owned by the generation area. Loaded on every page, so page rules
   are scoped under .pg-generation; the job queue is also the jobs drawer (the icon rail's badge) on every
   page, so its rules are scoped under .gen-jq.
   - Work (#center): .gen-bar (.colbar), the composer (.pr) and the conditioning (.prov) in .gen-work.
   - Stage (#side): .gen-stagebar (.colbar), the variant picker (.gen-vars, large cards) and the job queue
     (.gen-jq) in .gen-stage. Below 980px the stage is a sheet; .gen-stage-open opens it.
   - Compare (list | wide work): .gen-bar, then the panes (.gen-big) across the width.
   Shared pieces (.pr row chips, .vars/.var, .jq/.job/.pipe/.meter, .big/.bp, .prov, .lock, .vd, .colbar)
   come from components.css and shell.css. */

/* ---------- Work and compare bars (.gen-bar) ---------- */
.pg-generation .gen-bar{row-gap:6px}
.pg-generation .gen-bar .crumb{flex:1 0 100%;line-height:1.35}
.pg-generation .gen-bar .crumb a{color:var(--muted);text-decoration:none}
.pg-generation .gen-bar .crumb a:hover{color:var(--text)}
.pg-generation .gen-bar .crumb .sep{margin:0 6px;opacity:.6}
.pg-generation .gen-bar h1{flex:0 1 auto}
.pg-generation .gen-sub{flex:1 0 100%;display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;min-width:0}
.pg-generation .gen-sub .sub{white-space:normal}
.pg-generation .gen-stage-open{display:none}

/* ---------- S14 composer (.pr) ---------- */
.pg-generation .pr{border:1px solid var(--line-2);border-radius:var(--radius-panel);background:var(--panel);padding:14px 16px;display:block;min-width:0;transition:border-color var(--t-fast) ease}
.pg-generation .pr:focus-within{border-color:var(--line-2);box-shadow:0 0 0 1px var(--lime-soft)}
.pg-generation .pr .alert-slot:not(:empty){margin-bottom:10px}
.pg-generation .pr > .banner{margin-bottom:12px}
.pg-generation .pr .txt{display:block;width:100%;min-height:50px;resize:vertical;background:transparent;border:0;outline:none;padding:0;font:400 15px/1.5 var(--ui);color:var(--text);caret-color:var(--lime)}
.pg-generation .pr .txt::placeholder{color:var(--muted)}
.pg-generation .pr .txt:focus-visible{outline:none}
.pg-generation .pr .txt[aria-invalid="true"]{color:var(--text)}
.pg-generation .count-row{display:flex;justify-content:flex-end;margin-top:4px;min-width:0}
.pg-generation .count{font:500 11px var(--mono);color:var(--muted);text-align:right}
.pg-generation .count.over{color:var(--fail)}
.pg-generation .pr .msg{font-size:11.5px;color:var(--fail);margin-top:6px}
.pg-generation .gen-newfields{margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}

.pg-generation .gen-row{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap;min-width:0}
.pg-generation .gen-row fieldset{border:0;margin:0;padding:0;display:flex;align-items:center;gap:6px;min-width:0;flex-wrap:wrap}
.pg-generation .gen-row .chip{position:relative;user-select:none}
.pg-generation .gen-row .chip .i{width:12px;height:12px}
.pg-generation .paths input,.pg-generation .vcount input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.pg-generation .paths .chip:has(input:checked){background:var(--raised-2);border-color:var(--line-2);color:var(--text)}
.pg-generation .paths .chip:has(input:focus-visible),.pg-generation .vcount label:has(input:focus-visible){outline:2px solid var(--lime);outline-offset:2px}
.pg-generation .vcount{height:28px;padding:0 3px 0 11px!important;border:1px solid var(--line)!important;border-radius:var(--radius-pill);gap:2px!important}
.pg-generation .vcount .lbl{color:var(--text-2);font-weight:500;margin-right:5px}
.pg-generation .vcount label{position:relative;display:grid;place-items:center;width:22px;height:22px;border-radius:var(--radius-pill);font:500 11.5px var(--mono);color:var(--muted);cursor:pointer}
.pg-generation .vcount label:hover{color:var(--text)}
.pg-generation .vcount label:has(input:checked){background:var(--raised-2);color:var(--text);box-shadow:inset 0 0 0 1px var(--line-2)}
.pg-generation .gen-go{margin-left:auto}

/* Refs picker: a <details> chip with a checkbox menu (Concept → 3D only). */
.pg-generation .refs-pick{position:relative;min-width:0}
.pg-generation .refs-pick > summary{max-width:340px;overflow:hidden;text-overflow:ellipsis;display:inline-block;line-height:26px}
.pg-generation .refs-pick[open] > summary{border-color:var(--line-2);color:var(--text)}
.pg-generation .refs-menu{width:320px;max-height:360px;overflow-y:auto}
.pg-generation .refs-menu .ref-opt{cursor:pointer}
.pg-generation .refs-menu .ref-opt .ic{overflow:hidden;background:var(--stage-warm)}
.pg-generation .refs-menu .ref-opt .ic img{width:100%;height:100%;object-fit:cover}
.pg-generation .refs-menu .ref-opt input{width:15px;height:15px}
.pg-generation .refs-menu .note,.pg-generation .refs-menu .none{font-size:11px;color:var(--muted);padding:8px 8px 4px;margin:0}
.pg-generation .refs-off{display:none;color:var(--muted);border-style:dashed;cursor:default}
.pg-generation .gen-pr:has(input[name="pipeline"][value="text_to_3d"]:checked) .refs-pick{display:none}
.pg-generation .gen-pr:has(input[name="pipeline"][value="text_to_3d"]:checked) .refs-off{display:inline-flex}
.pg-generation .gen-pr:has(input[name="pipeline"][value="text_to_3d"]:checked) .no-refs{display:none}

/* Hints under the row (the tool rules below hide some of them, so they come first). */
.pg-generation .hint{display:flex;align-items:flex-start;gap:6px;font-size:12px;color:var(--muted);margin:8px 0 0}
.pg-generation .hint > .i{margin-top:2px}
.pg-generation .hint > span{min-width:0;flex:1 1 0%}
.pg-generation .hint > .link{flex:none}
.pg-generation .hint .i{flex:none}
.pg-generation .hint.warn-t{color:var(--warn)}
.pg-generation .hint .link{font-size:12px}

/* The two tools. Image → 3D shows its picked-image menu, the polycount slider and its hint while its chip is
   checked; neither tool uses Lookbook references, so the refs picker and its hints go away for both. */
.pg-generation .src-pick,.pg-generation .poly-chip,.pg-generation .img-hint{display:none}
.pg-generation .gen-pr:has(input[name="pipeline"][value="image_to_3d"]:checked) .src-pick{display:block}
.pg-generation .gen-pr:has(input[name="pipeline"][value="image_to_3d"]:checked) .poly-chip{display:inline-flex}
.pg-generation .gen-pr:has(input[name="pipeline"][value="image_to_3d"]:checked) .img-hint{display:flex}
.pg-generation .gen-pr:has(input[name="pipeline"][value="image_to_3d"]:checked) .refs-pick:not(.src-pick),
.pg-generation .gen-pr:has(input[name="pipeline"][value="text_to_image"]:checked) .refs-pick,
.pg-generation .gen-pr:has(input[name="pipeline"][value="image_to_3d"]:checked) .no-refs,
.pg-generation .gen-pr:has(input[name="pipeline"][value="text_to_image"]:checked) .no-refs,
.pg-generation .gen-pr:has(input[name="pipeline"][value="image_to_3d"]:checked) .thin,
.pg-generation .gen-pr:has(input[name="pipeline"][value="text_to_image"]:checked) .thin{display:none}
.pg-generation .poly-chip{gap:8px;padding-right:8px}
.pg-generation .poly-chip input[type="range"]{width:120px;height:4px;margin:0;accent-color:var(--lime);cursor:pointer}
.pg-generation .poly-chip output{min-width:9ch;text-align:right;font-size:11.5px;color:var(--text)}
.pg-generation .src-pick .refs-menu .ref-opt input{width:15px;height:15px}

/* Bound summary (Palette / Style / Poly budget / Export): two by two in the work column. */
.pg-generation .bound{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}
.pg-generation .bound > div{border:1px solid var(--line);border-radius:var(--radius-box);padding:7px 10px;font-size:11.5px;color:var(--muted);background:var(--surface);min-width:0;overflow:hidden}
.pg-generation .bound > div > span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pg-generation .bound b{display:flex;align-items:center;gap:6px;color:var(--text);font-weight:600;font-size:12px}
.pg-generation .bound .sw i{height:10px;width:5px}

/* Needs a human (attempt budget): in the composer and in the variant picker's alert slot. */
.pg-generation .gen-human{align-items:flex-start;margin-bottom:12px}
.pg-generation .gen-human .fld{margin-top:10px;max-width:460px}
.pg-generation .gen-human .human-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px}
.pg-generation .gen-human .human-form .fld{flex:1 1 220px}

/* Conditioning (.prov): under the composer in the work column. */
.pg-generation .gen-work > .gen-prov{margin-top:16px}
.pg-generation .gen-prov .sec-h{margin-bottom:6px}
.pg-generation .gen-prov .row > :last-child{display:inline-flex;align-items:center;justify-content:flex-end;gap:3px;flex-wrap:wrap}
.pg-generation .gen-prov .i{width:11px;height:11px}

/* ---------- Stage (#side): the variant picker and the job queue ---------- */
/* position:relative on the column bodies keeps .sr-only labels inside the scrolling column (their containing
   block would otherwise be .app, stretching the document). */
.pg-generation .gen-work,.pg-generation .gen-stage,.pg-generation .gen-cmp{position:relative}
.pg-generation-composer .side > .sheet-close{display:none}  /* the stage bar carries the close button */
.pg-generation .gen-stagebar .sheet-close{align-self:center}
.pg-generation .gen-stage{display:flex;flex-direction:column;min-width:0}
.pg-generation .gen-stage > .gen-jq{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- S14 variant picker ---------- */
.pg-generation .gen-vars{min-width:0}
.pg-generation .gen-vars > .sec-h{margin-bottom:10px;flex-wrap:wrap;row-gap:2px}
.pg-generation .gen-vars > .sec-h .r{text-align:right}
.pg-generation .gen-vars > .banner{margin-bottom:10px}
.pg-generation .gen-vars .alert-slot:not(:empty){margin-bottom:10px}
.pg-generation .vars{grid-template-columns:repeat(auto-fill,minmax(172px,1fr))}
.pg-generation .gen-stage .vars{grid-template-columns:repeat(auto-fill,minmax(min(220px,40%),1fr));gap:14px}
.pg-generation .var{display:block;color:inherit;text-decoration:none;transition:border-color var(--t-fast) ease,box-shadow var(--t-med) ease}
.pg-generation a.var:hover{border-color:var(--line-2)}
.pg-generation a.var.sel:hover{border-color:var(--lime)}
.pg-generation .var .th{display:grid;place-items:center;overflow:hidden}
.pg-generation .gen-stage .var .th{height:auto;aspect-ratio:4/3}
.pg-generation .var .th img{position:absolute;inset:0}
.pg-generation .var .th model-viewer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;--poster-color:transparent}
.pg-generation .var .th .badge{font:600 10.5px var(--mono)}
.pg-generation .var .th .badge.kept{top:auto;bottom:8px;left:8px;right:auto;font-family:var(--ui)}
.pg-generation .var .check{position:absolute;top:8px;right:8px;width:20px;height:20px;border-radius:var(--radius-seg);background:var(--lime);color:var(--lime-ink);display:grid;place-items:center;z-index:1}
.pg-generation .var .check .i{width:12px;height:12px;stroke-width:2.2}
.pg-generation .var.tex .th{background:var(--canvas)}
.pg-generation .var.tex .th img{object-fit:cover;padding:0}
.pg-generation .var .m .t{min-width:0;flex-wrap:wrap;row-gap:0}
.pg-generation .var .m .t span{white-space:nowrap}
.pg-generation .var .vrow{display:flex;align-items:center;flex-wrap:wrap;gap:4px 6px;min-width:0;min-height:24px}
.pg-generation .var .vrow .vd{flex:none;max-width:100%}
.pg-generation .var .polys{margin-left:auto;font:500 10.5px var(--mono);color:var(--muted);white-space:nowrap}
.pg-generation .var .why{font:500 10.5px var(--mono);color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:-2px}
.pg-generation .var .noprev{text-align:center;padding:0 12px}
.pg-generation .var .noprev.err{color:var(--fail)}
.pg-generation .var.queued{opacity:.7}
.pg-generation .var.queued .th,.pg-generation .var.running .th,.pg-generation .var.checking .th{background:var(--planned-stripes)}
.pg-generation .var.running .th::after,.pg-generation .var.checking .th::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.05) 50%,transparent 70%);background-size:200% 100%;animation:xw-shimmer 1.4s linear infinite}
.pg-generation .var.running{border-color:var(--violet-line)}
.pg-generation .var.failed,.pg-generation .var.expired{border-color:var(--fail-line)}
.pg-generation .var.failed .th,.pg-generation .var.expired .th{background:linear-gradient(180deg,var(--fail-soft),transparent 70%),var(--panel)}
.pg-generation .var.discarded,.pg-generation .var.cancelled{opacity:.5}
.pg-generation .var.kept:not(.sel){border-color:var(--pass-line)}
.pg-generation .var .vd.error{white-space:normal;line-height:1.3}

.pg-generation .gen-sum{margin-top:14px;padding:12px 16px;display:flex;align-items:center;gap:10px 14px;flex-wrap:wrap}
.pg-generation .gen-sum .counts{display:flex;gap:8px;flex-wrap:wrap}
.pg-generation .gen-sum .sel-note{font-size:12px;color:var(--muted)}
.pg-generation .gen-sum .sel-note.run{display:inline-flex;align-items:center;gap:8px;color:var(--text-2)}
.pg-generation .gen-sum .acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.pg-generation .gen-sum form,.pg-generation .gen-vars .banner form{margin:0}

.pg-generation .gen-earlier{margin-top:18px}
.pg-generation .gen-earlier ul{display:flex;flex-direction:column;gap:2px}
.pg-generation .gen-earlier a{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-2);min-width:0}
.pg-generation .gen-earlier a:hover{background:var(--panel);color:var(--text)}
.pg-generation .gen-earlier b{font-weight:600;color:var(--text);white-space:nowrap}
.pg-generation .gen-earlier .t2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;display:inline-flex;align-items:center;gap:4px}
.pg-generation .gen-earlier .meta{margin-left:auto;white-space:nowrap}
.pg-generation .gen-earlier .dot{width:7px;height:7px;border-radius:50%;flex:none;background:var(--muted)}
.pg-generation .gen-earlier .dot.done{background:var(--pass)}
.pg-generation .gen-earlier .dot.running{background:var(--violet)}
.pg-generation .gen-earlier .dot.failed{background:var(--fail)}

/* ---------- S16 job queue (the stage and the jobs drawer) ---------- */
.gen-jq{gap:10px}
.gen-jq .hd{display:flex;align-items:baseline;gap:8px;min-width:0}
.gen-jq .hd h3{font-size:16px}
.gen-jq .hd .muted{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gen-jq .hd .icon-btn{align-self:center}
.gen-jq .seg{align-self:flex-start}
.gen-jq .seg > a{height:26px;padding:0 10px;font-size:12px}
.gen-jq .seg .n{font:500 10.5px var(--mono);color:var(--muted)}
.gen-jq .seg .on .n{color:var(--text-2)}
.gen-jq .list{display:flex;flex-direction:column;gap:10px}
.gen-jq .job.cur{box-shadow:0 0 0 1px var(--lime-line);border-color:var(--lime-line)}
.gen-jq .job .out{font-size:11.5px;margin-top:7px;color:var(--muted);display:flex;align-items:center;gap:5px}
.gen-jq .job .out + .out{margin-top:3px}
.gen-jq .job .out.done{color:var(--text-2)}
.gen-jq .job .out.fail{color:var(--fail)}
.gen-jq .job .out.info{color:var(--violet-text)}
.gen-jq .job .out.note{font:500 10.5px var(--mono);color:var(--muted)}
.gen-jq .job .acts{margin-top:9px}
.gen-jq .job .acts form{margin:0}
.gen-jq .job .acts .push{margin-left:auto}
.gen-jq .job.cancelled .h span{text-decoration:line-through}
.gen-jq .job.failed .pipe div.f{box-shadow:inset 0 0 0 1px var(--fail-line)}
.gen-jq .empty{padding:20px 14px}

/* ---------- S15 variant compare ---------- */
.pg-generation .gen-cmp > .banner{margin-bottom:12px}
.pg-generation .gen-cmp > .alert-slot:not(:empty){margin-bottom:10px}
.pg-generation .gen-big.one{grid-template-columns:minmax(0,1fr)}
.pg-generation .gen-bp{display:flex;flex-direction:column}
.pg-generation .gen-bp .ph{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);min-width:0}
.pg-generation .gen-bp .ph b{font-weight:600}
.pg-generation .gen-bp .ph .lt{width:24px;height:24px;border-radius:var(--radius-seg);background:var(--raised-2);display:grid;place-items:center;font-size:11px;font-weight:600;flex:none}
.pg-generation .gen-bp .seg > a{height:24px;padding:0 9px;font:500 11px var(--mono)}
.pg-generation .gen-bp .th{height:440px;display:grid;place-items:center}
.pg-generation .gen-bp .th.tex{background:var(--canvas)}
.pg-generation .gen-bp .th.tex img{object-fit:cover;padding:0}
.pg-generation .gen-bp .th .badge{top:10px;left:10px}
.pg-generation .gen-bp model-viewer{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity var(--t-med) ease}
.pg-generation .gen-bp .th .still{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:28px}
.pg-generation .gen-bp .th.mv-ready model-viewer{opacity:1}
.pg-generation .gen-bp .th.mv-ready .still{display:none}
.pg-generation .gen-bp .c{flex-direction:column;align-items:stretch;gap:12px;flex:1}
.pg-generation .gen-bp .chk{display:flex;flex-direction:column;gap:7px;margin:0}
.pg-generation .gen-bp .chk > div{display:grid;grid-template-columns:92px minmax(0,1fr);gap:8px;align-items:start}
.pg-generation .gen-bp .chk dt{font:600 10.5px var(--ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:5px}
.pg-generation .gen-bp .chk dd{margin:0;display:flex;flex-direction:column;align-items:flex-start;gap:3px;min-width:0}
.pg-generation .gen-bp .chk .why{font:500 10.5px var(--mono);color:var(--muted);overflow-wrap:anywhere}
.pg-generation .gen-bp .pact{display:flex;gap:8px;margin-top:auto}
.pg-generation .gen-bp .pact form{margin:0}
.pg-generation .pane-state{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-2);text-align:center;padding:24px;max-width:320px}
.pg-generation .pane-state span{font-size:12px;color:var(--muted)}
.pg-generation .pane-state.err{color:var(--fail)}

/* ---------- Responsive (docs/SHELL-SPEC.md §5) ---------- */
@media (max-width:1279px){
  .pg-generation .gen-bp .th{height:360px}
}
/* The compare panes fill the wide work column's height (bar, pane header, checks and Keep stay on screen). */
@media (min-width:1024px){
  .pg-generation-compare .gen-bp .th{height:clamp(300px,calc(100dvh - 410px),720px)}
}
@media (max-width:1023px){
  .pg-generation .gen-big{grid-template-columns:minmax(0,1fr)}
  .pg-generation .gen-big .vs{height:28px}
}
/* Below 980px the stage is a sheet: "Variants" in the work bar opens it. */
@media (max-width:979px){
  .pg-generation .gen-stage-open{display:inline-flex}
}
@media (max-width:767px){
  .pg-generation .vars{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pg-generation .var .th{height:150px}
  .pg-generation .gen-go{margin-left:0;width:100%}
  .pg-generation .refs-pick > summary{max-width:calc(100vw - 140px)}
  .pg-generation .refs-menu{width:min(320px,calc(100vw - 124px))}
  .pg-generation .gen-sum .acts{margin-left:0;width:100%}
  .pg-generation .gen-sum .acts > *{flex:1 1 auto}
  .pg-generation .gen-sum .acts .btn{width:100%}
  .pg-generation .gen-bp .th{height:280px}
  .pg-generation .gen-vars > .sec-h .r{margin-left:0;text-align:left}
}
@media (pointer:coarse){
  .pg-generation .vcount label{width:32px;height:32px}
  .pg-generation .vcount{height:40px}
  .pg-generation .gen-bar .btn,.pg-generation .gen-stagebar .sheet-close{min-height:40px}
}