.studio-redesign .scene-page{grid-template-columns:185px minmax(255px,295px) minmax(0,1fr)}
.scene-page .editor{padding:25px 20px}.scene-page .preview{padding:24px}.scene-page #creativeSurface{max-width:1500px;margin:auto}
.scene-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:0 0 23px;padding:4px;background:var(--bg);border-radius:9px}.scene-tabs button{min-height:40px;padding:9px 6px;border:0;background:transparent}
.scene-tabs button[aria-pressed=true]{background:var(--panel);box-shadow:0 1px 5px #0001;color:var(--ink);font-weight:600}
.scene-intro{font-size:13px;line-height:1.6;color:var(--muted);margin:0 0 22px}.scene-step{display:flex;align-items:center;gap:9px;margin:25px 0 12px;font-size:12px;font-weight:600}
.scene-step>span{background:var(--bg);border:1px solid var(--line);border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-size:10px}
.scene-supports{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.scene-supports button{padding:11px 4px;display:flex;flex-direction:column;align-items:center;gap:9px;font-size:11px;background:var(--panel)}
.scene-supports button[aria-pressed=true]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--panel))}.scene-supports svg{width:24px;height:28px}
.scene-control{margin:16px 0}.scene-control label{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px}.scene-control output{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.scene-control input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer}
.scene-color-row{display:flex;gap:9px;align-items:center}.scene-color-row input[type=color]{width:46px;height:35px;padding:2px;border:1px solid var(--line);cursor:pointer}.scene-color-row button{width:26px;height:26px;border-radius:50%;padding:0;border:2px solid var(--panel);box-shadow:0 0 0 1px var(--line)}
.scene-inline-actions{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.scene-inline-actions button{padding:8px 10px;max-width:100%}.scene-material-hint{font-size:11px;line-height:1.55;color:var(--muted)}
.scene-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.scene-heading h2{font:400 clamp(26px,2.5vw,37px)/1.2 'DM Serif Display',Georgia,serif;margin:6px 0}.scene-heading p{margin:0;color:var(--muted);font-size:12px}
.scene-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin-bottom:13px}.scene-toolbar button{font-size:12px}.scene-toolbar .scene-export{margin-left:auto}
.scene-stage{position:relative;isolation:isolate;width:100%;aspect-ratio:3/2;background:#e8e3d9;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 12px 40px #24231a0d}
.scene-stage canvas{width:100%;height:100%;display:block;touch-action:none;cursor:grab}.scene-stage canvas:active{cursor:grabbing}.scene-stage canvas:focus-visible{outline:3px solid var(--accent);outline-offset:-4px}
.scene-selection{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.scene-selection polygon{fill:none;stroke:var(--accent);stroke-width:2;stroke-dasharray:7 6;vector-effect:non-scaling-stroke}
.scene-status{font-size:11px;line-height:1.6;min-height:18px;color:var(--muted);margin:9px 0}.scene-status[data-error=true]{color:#a03c28}.scene-instruction{font-size:12px;line-height:1.6;color:var(--muted);margin:10px 0 22px}
.scene-variant-heading{display:flex;align-items:center;gap:14px;justify-content:space-between;margin:26px 0 13px}.scene-variant-heading h3{font-size:15px;font-weight:500;margin:0}.scene-variant-heading button{font-size:12px}
.scene-variants{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.scene-variant{min-width:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}.scene-variant.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.scene-variant-open{width:100%;display:block;border:0;border-radius:0!important;padding:0;background:#ece7de;text-align:left}.scene-variant-open canvas{display:block;width:100%;height:auto;aspect-ratio:3/2}.scene-variant-open>span{display:block;padding:11px 12px;font-size:12px;overflow-wrap:anywhere;background:var(--panel)}
.scene-variant-footer{padding:0 12px 12px;display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap}.scene-variant-footer label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:11px}.scene-variant-footer input{accent-color:var(--accent);width:15px;height:15px}.scene-variant-footer small{color:var(--muted);font-size:10px}
.scene-notes{position:absolute;inset:0;pointer-events:none}.scene-note{position:absolute;width:23%;max-width:180px;min-width:96px;background:#fff2b9;color:#403922;border-top:3px solid #e0c66e;box-shadow:0 4px 14px #0002;padding:0 9px 9px;pointer-events:auto;font-size:clamp(9px,1vw,12px);max-height:38%;overflow:auto}
.scene-note-handle{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;border-radius:0!important;background:transparent!important;padding:7px 0;color:#655625;font-size:10px!important;cursor:grab;touch-action:none}.scene-note p{margin:3px 0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.45}
.scene-note-list{margin-top:14px;display:grid;gap:12px}.scene-note-entry{padding:10px;border:1px solid var(--line);border-radius:7px}.scene-note-entry.resolved{opacity:.7}.scene-note-entry textarea{min-height:65px;font-size:12px;width:100%}.scene-note-entry .scene-inline-actions{margin-bottom:0}.scene-note-entry button{font-size:11px}.scene-notes-details{margin-top:24px;border-top:1px solid var(--line);padding-top:16px}.scene-notes-details>summary{cursor:pointer;font-size:13px;font-weight:500}.scene-notes-details textarea{width:100%;min-height:70px}
.scene-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.scene-compare-grid.single{grid-template-columns:1fr}.scene-compare-card{min-width:0}.scene-compare-card h3{font:400 22px/1.3 'DM Serif Display',Georgia,serif;margin:0;overflow-wrap:anywhere}.scene-compare-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0 13px}.scene-compare-caption button{font-size:11px;padding:7px 10px}.scene-compare-card .scene-stage canvas{cursor:default;touch-action:auto}.scene-compare-card .scene-note{font-size:10px}
.scene-empty-compare{padding:40px 25px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);line-height:1.7}.scene-empty-compare strong{display:block;color:var(--ink)}
.scene-subnote{padding:12px 14px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:11px;color:var(--muted);line-height:1.6;margin-top:20px}
.scene-page select,.scene-page input,.scene-page textarea{max-width:100%;min-width:0}.scene-page .scene-actions-secondary{border-top:1px solid var(--line);padding-top:14px;margin-top:20px}
@media(min-width:1600px){.scene-compare-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.scene-compare-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1150px){.studio-redesign .scene-page{grid-template-columns:165px 250px minmax(0,1fr)}.scene-page .preview{padding:20px 16px}.scene-page .editor{padding:22px 16px}.scene-variants{grid-template-columns:repeat(2,minmax(0,1fr))}.scene-compare-grid{grid-template-columns:1fr}.scene-heading{align-items:flex-start;flex-direction:column}}
@media(max-width:760px){.studio-redesign .scene-page{display:flex}.scene-page .editor,.scene-page .preview{padding:20px 16px}.scene-stage{border-radius:9px}.scene-toolbar{gap:6px}.scene-toolbar .scene-export{margin-left:0}.scene-supports button{padding:12px}.scene-variants{grid-template-columns:repeat(2,minmax(0,1fr))}.scene-note{font-size:10px}.scene-heading h2{font-size:29px}.scene-control input[type=range]{min-height:30px}.scene-compare-grid{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}.scene-compare-card{flex:0 0 95%;scroll-snap-align:start}.scene-compare-grid.single .scene-compare-card{flex-basis:100%}.scene-instruction{font-size:11px}}

.scene-compare-caption{flex-wrap:wrap}
.scene-compare-actions{display:flex;flex-wrap:wrap;gap:6px}
.scene-variant-footer>button{font-size:11px;padding:6px 8px}
.scene-kind{display:block;font:500 10px/1.4 Inter,Arial,sans-serif;color:var(--muted);letter-spacing:.6px;margin-bottom:4px}
.scene-variant-open>.scene-kind{padding:10px 12px 0;margin:0;background:var(--panel)}
.scene-variant-open>.scene-kind+span{padding-top:4px}
.scene-tabs button{min-width:0;white-space:normal;font-size:11px;line-height:1.4}
.scene-empty-stage img{display:block;width:100%;height:100%;object-fit:contain}

.scene-supports.two{grid-template-columns:repeat(2,minmax(0,1fr))}

/* A compact, native disclosure keeps the stage usable on smaller screens. */
.scene-background-picker{margin:0 0 13px;border:1px solid var(--line);border-radius:9px;background:var(--panel);min-width:0}
.scene-background-picker>summary{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-height:44px;padding:10px 13px;cursor:pointer;font-size:12px;list-style:none}
.scene-background-picker>summary::-webkit-details-marker{display:none}
.scene-background-picker>summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.scene-background-picker>summary strong{font-size:11px;font-weight:500;padding:3px 8px;border-radius:20px;background:var(--bg)}
.scene-background-action{margin-left:auto;color:var(--muted);font-size:11px}
.scene-background-action:after{content:' ＋';font-size:14px}.scene-background-picker[open] .scene-background-action:after{content:' −'}
.scene-background-content{padding:0 13px 12px}
.scene-background-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;max-width:550px}
.scene-background-options button{position:relative;min-width:0;padding:3px;border:1px solid var(--line);background:var(--panel);border-radius:8px;overflow:hidden;text-align:left;color:var(--ink)}
.scene-background-options button img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:5px}
.scene-background-options button>span{display:flex;align-items:center;justify-content:space-between;gap:4px;padding:7px 5px;font-size:11px;overflow-wrap:anywhere}
.scene-background-options button[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.scene-background-options button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.scene-background-check{visibility:hidden;color:var(--accent);font-weight:700}.scene-background-options button[aria-pressed=true] .scene-background-check{visibility:visible}
.scene-background-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:8px}
.scene-background-footer p{font-size:11px;line-height:1.6;color:var(--muted);margin:0;flex:1 1 200px}
.scene-background-footer button{font-size:11px;padding:7px 9px}
.scene-background-footer button:disabled{opacity:.5;cursor:default}
.scene-background-content>.scene-material-hint{margin:7px 0 0}
@media(max-width:760px){.scene-background-options{gap:7px}.scene-background-options button>span{padding:7px 2px}.scene-background-picker>summary{gap:7px}}