.app{display:grid;grid-template-columns:180px minmax(0,1fr);min-height:100vh}.sidebar{background:white;border-right:1px solid var(--line);padding:26px 16px;display:flex;flex-direction:column;gap:10px}.brand{font-size:19px;font-weight:750;letter-spacing:-.6px;margin-bottom:28px}.brand span{background:var(--blue);color:white;border-radius:9px;padding:7px;margin-right:5px}.sidebar button{text-align:left}.sidebar footer{margin-top:auto;font-size:11px;color:var(--muted);padding-top:30px}.main{padding:24px;min-width:0}.header{display:flex;justify-content:space-between;align-items:center;gap:16px}.actions{display:flex;gap:8px;align-items:center}.subtitle{margin:0;color:var(--muted)}.steps{display:flex;justify-content:space-between;margin:24px 0;gap:8px}.steps span{font-size:12px;padding:10px;border-radius:8px;color:var(--muted)}.steps .current{background:var(--blue-soft);color:var(--blue);font-weight:600}.editor{display:grid;grid-template-columns:205px minmax(260px,1fr) 220px;gap:16px}.panel,.workspace,.artbar{background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel{padding:16px;min-width:0}.panel details+details{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}summary{cursor:pointer;font-weight:650;margin-bottom:14px}.thumb{width:100%;height:110px;object-fit:contain;background:var(--bg);border-radius:8px}.meta{font-size:11px;overflow-wrap:anywhere;line-height:1.6;margin:10px 0}.wide{width:100%;margin:5px 0}.surface{padding:12px 8px;background:var(--blue-soft);border:1px solid #cbdcff;border-radius:8px}.toolbar{padding:12px;display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line)}.toolbar button{font-size:11px;padding:8px}.stage{height:440px;overflow:auto;background:#e9edf3;position:relative;display:grid;align-items:center;justify-items:center;padding:18px;touch-action:none}.canvas-wrap{position:relative;line-height:0;flex-shrink:0}#preview{display:block;width:100%;height:100%;box-shadow:0 6px 24px #182b4820}#overlay{position:absolute;inset:0;width:100%;height:100%;overflow:visible;touch-action:none}#empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:var(--muted);pointer-events:none}#empty strong{font-size:22px;color:var(--ink)}.hint{padding:10px 14px;font-size:11px;color:var(--muted);min-height:36px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.artbar{margin-top:16px;padding:16px;display:flex;align-items:center;gap:16px}.artbar img{width:65px;height:58px;object-fit:contain;background:var(--bg);border-radius:7px}.artbar .info{flex:1}.artbar h2{margin:0 0 4px}.status{margin-top:12px;font-size:12px;min-height:22px}.status.error{color:#b42318}#pointFields label{margin-top:8px}.badge{font-size:10px;color:var(--blue);background:var(--blue-soft);padding:4px 7px;border-radius:5px}.template-name{width:200px}.hidden,[hidden]{display:none!important}@media(max-width:1400px){.app{grid-template-columns:145px minmax(0,1fr)}.main{padding:18px}.editor{grid-template-columns:180px minmax(240px,1fr) 190px;gap:12px}.stage{height:370px}.brand{font-size:15px}.header{align-items:flex-start}.actions{flex-wrap:wrap;justify-content:flex-end}.steps{margin:18px 0}}@media(max-width:1050px){.app{grid-template-columns:1fr}.sidebar{flex-direction:row;padding:12px;align-items:center;border-bottom:1px solid var(--line)}.brand{margin:0 auto 0 0}.sidebar footer{display:none}.editor{grid-template-columns:160px minmax(220px,1fr) 170px}.main{padding:12px}}@media(max-width:760px){.editor{grid-template-columns:1fr}.workspace{grid-row:1}.header{display:block}.steps{flex-wrap:wrap}.sidebar{flex-wrap:wrap}.artbar{flex-wrap:wrap}.stage{height:350px}}
.brand{display:flex;align-items:center;gap:6px;line-height:1.3}.brand span{flex-shrink:0}.badge{display:inline-block}.editor{align-items:start}.workspace{min-height:100%}

.surface-row{display:flex;gap:6px;align-items:center;margin-bottom:8px}.surface-row button{flex:1;text-align:left;overflow-wrap:anywhere;min-width:0}#surfaceCard{display:none}.artbar{flex-wrap:wrap}#reuseArt{max-width:200px}#surfaceList{max-height:260px;overflow:auto}
#regionDialog{width:min(1100px,95vw);max-height:95vh;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:24px}#regionDialog::backdrop{background:#17203399}.region-layout{display:grid;grid-template-columns:2fr 1fr;gap:20px;align-items:start}.region-image{position:relative;line-height:0;background:#e2e8f0}.region-image img{width:100%;display:block;height:auto}#regionOverlay{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}#regionBox{cursor:move}#regionHandles rect{cursor:nwse-resize}#regionPreview{width:100%;height:auto}.region-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}#regionError{color:#b42318;min-height:20px}#regionDialog .actions{justify-content:flex-end}@media(max-width:760px){.region-layout{grid-template-columns:1fr}.region-fields{grid-template-columns:1fr 1fr}}

#faceDialog{border:1px solid var(--line);border-radius:12px;padding:24px;max-width:440px}#faceDialog::backdrop{background:#17203399}.surface-row button{display:flex;align-items:center;gap:8px}.surface-row svg{flex-shrink:0}#maskProps>div{display:flex;flex-wrap:wrap;gap:6px}#maskAdvanced{margin-top:16px}#cancelPlacement{margin:8px 14px}
#finishContour,#backPoint{margin:6px}
@media(min-width:1051px){
 .app{height:100dvh;min-height:0;overflow:hidden}
 .main{display:flex;flex-direction:column;min-height:0;padding:14px;gap:10px}
 .header{flex-shrink:0}.header h1{font-size:21px;margin:4px 0}.subtitle{font-size:12px}
 .steps{margin:0;flex-shrink:0}.steps span{padding:5px 10px}
 .editor{flex:1;min-height:0;grid-template-columns:180px minmax(260px,1fr) 195px;align-items:stretch}
 .editor>.panel{overflow-y:auto;min-height:0;padding:12px}
 .workspace{display:flex;flex-direction:column;min-height:0;overflow:hidden}
 .stage{height:auto;flex:1;min-height:180px;align-items:safe center;justify-items:safe center;padding:10px}
 .toolbar{padding:8px;flex-shrink:0}.hint{flex-shrink:0;padding:6px 10px;min-height:26px}
 .artbar{margin:0;padding:8px 12px;gap:8px;flex-shrink:0}.artbar img{width:42px;height:38px}.artbar button,.artbar select{font-size:12px;padding:7px}
 .status{margin:0;flex-shrink:0;min-height:18px}.thumb{height:75px}.panel details+details{margin-top:12px;padding-top:12px}
}
#placingBar{display:flex;align-items:center;gap:6px;flex-shrink:0}#placingBar button{margin:4px;font-size:12px}#placingBar:has(button:not([hidden])){padding:4px 8px}
#libraryDialog{width:min(1050px,94vw);max-height:90vh;overflow:auto} .library-columns{display:grid;grid-template-columns:1fr 2fr;gap:24px}.library-columns section{min-width:0}.library-columns select,.library-columns input:not([type=checkbox]){width:100%;margin-bottom:10px}.library-model{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #e2e8f0}.library-model span{flex:1}#libraryMessage{color:#164b9c}.save-help{margin:8px 0 12px;padding:10px 12px;background:var(--blue-soft);border-left:4px solid var(--blue);border-radius:6px;color:#164b9c;font-size:13px}.library-columns button.primary{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600}.library-columns button.secondary{background:#fff;color:#164b9c;border-color:#9bbcf5;font-weight:600}.library-columns button.danger{background:#fff;color:#b42318;border-color:#f0a5a5;font-weight:600}.library-columns button.primary:hover,.library-columns button.secondary:hover,.library-columns button.danger:hover{filter:brightness(.96)}#libraryDialog>.actions{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}@media(max-width:700px){.library-columns{grid-template-columns:1fr}}

/* Redesign aprovado: navegação enxuta e ações com hierarquia clara. */
#demo,#boxDemo{display:none!important}
.sidebar{padding:22px 14px;background:#fff}
.sidebar button{min-height:42px;border-color:transparent;color:#334155;font-weight:600}
.sidebar button:hover{background:var(--blue-soft);border-color:#cbdcff;color:var(--blue)}
.sidebar button#new{background:var(--blue);border-color:var(--blue);color:#fff;text-align:center;box-shadow:0 4px 12px #2563eb30}
.sidebar button#new:hover{background:#1d4ed8;color:#fff}
.sidebar footer{font-size:10px;line-height:1.5;color:#94a3b8}
.header{padding:4px 2px 8px}
.header .actions button.primary{min-height:40px;font-weight:700;box-shadow:0 3px 10px #2563eb25}
.editor>.panel{font-size:13px}.editor>.panel details>summary{font-size:14px;color:#102d63}.workspace .toolbar{background:#fbfdff}.workspace .toolbar button{font-size:12px}.stage{background:#eef2f7}.hint{font-size:12px;background:#fff;border-top:1px solid var(--line)}
.editor>.panel details:nth-child(3){background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:14px}.editor>.panel details:nth-child(3) summary{margin-bottom:6px}
.artbar #artButton,.artbar #useArt{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:700;min-height:40px;padding:10px 15px;box-shadow:0 3px 10px #2563eb25}.artbar #artButton:hover,.artbar #useArt:hover{background:#1d4ed8;color:#fff}.artbar #removeArt{color:#b42318;border-color:#f0a5a5;font-weight:600}.artbar select{min-height:40px;border-color:#b9cbea}.artbar .info h2{color:#102d63}
/* Navegação comercial: usa a faixa superior e libera a lateral para o editor. */
@media(min-width:1051px){
 .app{display:block;min-height:100vh;height:auto;overflow:visible}
 .sidebar{height:68px;padding:12px 24px;display:flex;flex-direction:row;align-items:center;gap:10px;border-right:0;border-bottom:1px solid var(--line);box-shadow:0 2px 12px #182b4808}
 .sidebar .brand{margin:0 18px 0 0;font-size:19px;white-space:nowrap}
 .sidebar button{width:auto;text-align:center;padding:9px 15px;background:#fff}
 .sidebar .top-actions{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:nowrap}
 .sidebar .top-actions button,.sidebar .top-actions select{white-space:nowrap}
 .sidebar footer,#demo{display:none!important}
 .main{padding:20px 28px}
 .header{padding:0 2px;min-height:38px;align-items:center}.header>div:first-child{display:flex;align-items:baseline;gap:12px;min-width:0}.header>div:first-child small{font-size:11px;white-space:nowrap}.header h1{font-size:18px;margin:0;white-space:nowrap}.header .subtitle{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header .actions{display:none}
}
.steps{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px}
.steps span{flex:1;text-align:center;font-size:12px}
.steps .current{background:var(--blue-soft);border:1px solid #cbdcff}
.toolbar button.active{font-weight:700}