/* A quiet instrument panel around ToyRay's four working views. */
:root{--ui-surface:#19232b;--ui-field:#202d36;--ui-border:#374852;--ui-text:#d9e5eb;--ui-muted:#9eafb9;--ui-accent:#a5e8c9}
body{height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.topbar{flex:0 0 44px;height:44px;padding:0 16px;border-bottom:1px solid var(--ui-border)}
.topbar .brand{font-size:19px}.edition{font-size:10px;letter-spacing:.04em;color:var(--ui-muted)}
#workspace-actions{display:flex;align-items:center;gap:8px}
#edit-toolbar{flex:0 0 42px;height:42px;padding:5px 12px;gap:5px;background:var(--ui-surface)}
#edit-toolbar button{padding:5px 8px;font-weight:500}.toolbar-hint{display:none}
body>main{--sidebar-width:340px;flex:1;min-height:0;height:auto;display:grid;grid-template-columns:minmax(0,1fr) 8px minmax(0,var(--sidebar-width));padding:10px;gap:0;width:100%;overflow:hidden}
#quad-workspace{margin-right:4px}
#sidebar-divider{cursor:col-resize;touch-action:none;background:transparent;position:relative}
#sidebar-divider::after{content:'';position:absolute;top:40%;bottom:40%;left:3px;border-left:2px solid var(--ui-border)}
#sidebar-divider:hover::after,#sidebar-divider:focus-visible::after{border-color:var(--ui-accent)}
#sidebar{display:block;min-width:0;padding:0 0 16px 5px;overflow:auto;scrollbar-gutter:stable}
#sidebar .ui-section{border:1px solid var(--ui-border);border-radius:5px;background:var(--ui-surface);margin:0 0 8px;padding:0}
#sidebar .ui-section>summary{cursor:pointer;padding:10px 12px;font-size:13px;font-weight:600;color:var(--ui-text);user-select:none}
#sidebar .ui-section[open]>summary{border-bottom:1px solid var(--ui-border)}
#sidebar .ui-section>div,#sidebar .ui-section>form,#sidebar .ui-section>section{padding:12px;margin:0;border:0}
#sidebar .scene-heading h1{font-size:17px;letter-spacing:0;margin:0 0 4px}#scene-description{font-size:12px;line-height:1.45}
#sidebar .object-list{max-height:clamp(130px,25vh,280px);margin-top:10px;overflow:auto}
#sidebar .panel h2{font-size:12px;margin:0 0 10px;color:var(--ui-muted)}
#sidebar label{font-size:12px;margin:13px 0 5px}#sidebar select{font-size:12px;padding:7px}
#sidebar .note{font-size:11px;line-height:1.5;margin-top:10px}
#sidebar details details{margin:10px 0;font-size:12px}#sidebar details details>summary{cursor:pointer}
#sidebar .effect-controls{padding:10px}#sidebar .scene-files,#sidebar .ray-inspector{margin:0;border:0;padding:0}
#sidebar .scene-files>summary{display:none}#sidebar #inspector{font-size:12px;color:var(--ui-muted)}
#sidebar dl>div{font-size:12px;margin:8px 0}#editor-error{flex:none;max-height:60px;overflow:auto;background:#34261f}
footer{flex:0 0 24px;height:24px;font-size:11px;padding:0 14px;gap:8px}
.ui-button{display:inline-flex;align-items:center;justify-content:center;width:auto;margin:0;padding:6px 9px;gap:5px;font-size:12px;font-weight:500;background:var(--ui-field);color:var(--ui-text);border:1px solid var(--ui-border);border-radius:4px}
.ui-button:hover{background:#30433f}.ui-button:disabled{cursor:not-allowed}
.ui-menu-control,.ui-help-control{display:inline-flex}
.ui-menu{position:fixed;inset:auto;margin:0;padding:5px;width:240px;max-width:calc(100vw - 16px);max-height:70vh;overflow:auto;border:1px solid #566773;border-radius:6px;background:var(--ui-surface);color:var(--ui-text);box-shadow:0 8px 28px #0007}
.ui-menu .ui-button{display:flex;text-align:left;justify-content:space-between;width:100%;border:0;background:transparent;padding:9px}
.ui-menu .ui-button:hover,.ui-menu .ui-button:focus-visible{background:#30433f}.ui-menu .ui-menu-control{display:block}
.ui-help{position:fixed;inset:60px 14px auto auto;margin:0;padding:14px;max-width:min(310px,calc(100vw - 28px));font-size:13px;line-height:1.6;background:var(--ui-surface);color:var(--ui-text);border:1px solid #566773;border-radius:6px;box-shadow:0 8px 28px #0007}
.ui-dialog{background:var(--ui-surface);color:var(--ui-text);border:1px solid #566773;border-radius:8px;padding:24px;width:min(460px,calc(100vw - 32px));max-height:80vh;overflow:auto}
.ui-dialog::backdrop{background:#080f18a6}.ui-dialog h2{padding-right:30px}.ui-dialog p+p{margin-top:12px}.ui-dialog .ui-close{position:absolute;top:12px;right:12px}
.ui-field{display:grid;grid-template-columns:1fr auto;gap:5px}.ui-field>input,.ui-field>select{grid-column:1/-1}
@media(max-width:750px){body{height:auto;min-height:100dvh;overflow:auto}.topbar{padding:0 10px}.edition{display:none}body>main{display:flex;flex-direction:column;overflow:visible;padding:8px;gap:10px;flex:none}#quad-workspace{height:65dvh;min-height:380px;margin:0}#sidebar-divider{display:none}#sidebar{overflow:visible;padding:0}#sidebar .object-list{max-height:220px}footer{display:none}}
/* UI 2: creation and document actions share a compact command bar. */
.command-bar{display:flex;align-items:center;flex:0 0 42px;min-width:0;background:var(--ui-surface);border-bottom:1px solid var(--ui-border);padding-left:12px;gap:8px}
.command-bar #edit-toolbar{flex:1;min-width:0;border:0;padding-left:0}
#scene-menus{display:flex;align-items:center;gap:5px;flex:none}
#scene-menus>.ui-menu-control>.ui-button{white-space:nowrap;font-weight:600}
.topbar .file-status{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:400;color:var(--ui-muted);margin:0 16px;flex:1;text-align:right}
.topbar .file-status.file-error,.ui-dialog .dialog-error{color:#ffbe9e}
.ui-dialog label{font-size:12px;margin:12px 0 5px}
.ui-dialog input:not([type=checkbox]),.ui-dialog select{display:block;width:100%;min-width:0;margin-top:5px;padding:7px;border:1px solid var(--ui-border);border-radius:4px;background:var(--ui-field);color:var(--ui-text);font:inherit;font-size:13px}
.ui-dialog input[type=file]{font-size:12px}.ui-dialog .file-actions{margin-top:16px}
.ui-dialog .file-note,.ui-dialog .save-destination,.ui-dialog .dialog-error{font-size:12px;margin-top:10px}
#model-import-dialog{width:min(560px,calc(100vw - 32px))}#model-import-dialog #model-preview{width:128px;height:128px;margin:12px 0;aspect-ratio:1}
#model-import-dialog #model-report{font-size:12px;color:var(--ui-muted)}
#model-import-dialog button{width:auto;margin:10px 0;padding:6px 10px}
[hidden]{display:none!important}
@media(max-width:750px){.topbar .file-status{max-width:30vw;margin:0 6px}.command-bar{padding-left:8px;gap:5px}}
.ui-dialog .scene-files{margin:0;padding:0;border:0}
/* Scene tree: aligned silhouettes and quiet, discoverable row commands. */
.tree-icon{width:15px;height:15px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round}
.hierarchy-row .object-row{display:flex;align-items:center;gap:7px;white-space:nowrap;padding:6px 3px}
.tree-name{overflow:hidden;text-overflow:ellipsis}
.tree-spacer{width:22px;flex:0 0 22px}
.hierarchy-row .tree-action{opacity:0;pointer-events:none}
.hierarchy-row:hover .tree-action,.hierarchy-row:focus-within .tree-action{opacity:1;pointer-events:auto}
.hierarchy-row .tree-action:disabled{opacity:.25;cursor:not-allowed}
.hierarchy-row .tree-action:hover:not(:disabled){color:#c5f1d7;background:#293c34}
.hierarchy-row button:focus-visible{outline:2px solid #9bdbbc;outline-offset:-2px}
@media(hover:none){.hierarchy-row .tree-action{opacity:1;pointer-events:auto}}
/* Keep tree columns independent of global button centering and legacy swatch rules. */
#sidebar .object-list{position:relative;isolation:isolate}
.object-list > .hierarchy-row{position:relative;min-height:28px;gap:0}
.object-list .hierarchy-row .object-row{justify-content:flex-start;margin:0;gap:7px;padding:5px 4px}
.object-list .hierarchy-row > .tree-spacer{margin:0;width:22px;flex:0 0 22px}
.object-list .hierarchy-row > .tree-toggle{position:relative;z-index:1;background:#1a242b;height:20px;align-items:center;justify-content:center;padding:0}
.object-list .hierarchy-row > .tree-action{align-items:center;justify-content:center;gap:0;height:24px}
.object-list > .hierarchy-gap{height:4px}
.tree-branches{position:absolute;inset:0;width:100%;pointer-events:none;z-index:-1;overflow:visible}
.tree-branches path{fill:none;stroke:#51636c;stroke-width:1;shape-rendering:crispEdges}
#inspector h3{margin:0 0 10px;font-size:14px;font-weight:600;text-transform:capitalize;color:#c5f1d7}
#inspector .inspector-subsection,#scene-inspector-controls>details{border:0;border-top:1px solid #35434c;border-radius:0;margin:6px 0;padding:0 0 8px}
.inspector-subsection>summary{padding:9px 0;font-size:13px;color:#c3d1d8;cursor:pointer}
#inspector label,#scene-inspector-controls label{font-size:12px;margin:10px 0 5px}
#inspector input:not([type=checkbox]),#inspector textarea{width:100%;min-width:0;padding:6px;background:#202a31;color:#dce2e7;border:1px solid #42515b;border-radius:4px;font:inherit}
#inspector textarea{min-height:64px;resize:vertical}
#inspector p{font-size:12px;line-height:1.5;margin:6px 0}
#inspector .triple{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
#inspector .triple label{min-width:0}
#environment-preview{width:100%;max-height:128px;object-fit:contain;margin-top:8px;aspect-ratio:2}
#controls > .render-subsection{border:0;border-top:1px solid #35434c;border-radius:0;margin:0;padding:0 0 10px}
.render-subsection > summary{padding:12px 0;font-size:13px;font-weight:600;color:#c3d1d8;cursor:pointer}
.render-setting{margin:8px 0 14px;min-width:0}
.render-setting-heading{display:flex;align-items:center;gap:6px;min-width:0}
#controls .render-setting-heading label{flex:1;min-width:0;margin:0;font-size:12px;line-height:1.5}
.render-setting-heading label:has(input[type=checkbox]){display:flex;align-items:center;gap:6px}
.render-setting-heading output{margin-left:6px}
.render-setting .ui-help-control{flex:none}
.render-setting .ui-help-control>button{margin:0;padding:2px 5px;width:24px;height:24px}
.render-setting>select,.render-setting>input{margin-top:5px}
.render-setting .setting-reason{font-size:11px;margin:4px 0;color:#a9b9c3;line-height:1.4}
#backend-note{font-size:12px;line-height:1.5;margin:6px 0}
#preview-toolbar{display:flex;gap:5px;align-items:center;flex:none;border-left:1px solid #3a494f;padding-left:8px}
#preview-toolbar .preview-icon{width:30px;height:29px;padding:3px;margin:0;background:#23332d;color:#c5f1d7;border:1px solid #486455;font-size:18px;align-items:center;justify-content:center}
#preview-toolbar .preview-icon:disabled{cursor:default;opacity:.45}
#preview-target{font-size:11px;flex:0 0 180px;width:180px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#adc1cb}
#preview-progress{position:static;display:block;width:100%;height:5px;margin:10px 0}
#info-section .info-detail{border:0;border-top:1px solid #35434c;margin:8px 0;padding:0}
.info-detail>summary{font-size:12px;padding:9px 0;cursor:pointer}
.ray-inspector .inspect-ray-toggle{width:auto;padding:6px 10px;margin:10px 0;background:#23332d;color:#c5f1d7;border:1px solid #486455}
.ray-inspector .inspect-ray-toggle[aria-pressed="true"]{background:#a5e8c9;color:#13271f;border-color:#c5f1d7;box-shadow:0 0 0 1px #a5e8c9}
.inspect-ray-active .viewport:has(select option[value="trace"]:checked,select option[value="trace-orbit"]:checked) .pane-surface canvas{cursor:crosshair}
#info-section dl>div{gap:10px;align-items:baseline}
#info-section dd{text-align:right;overflow-wrap:anywhere}
@media(max-width:1050px){#preview-target{flex-basis:110px;width:110px}}
@media(max-width:650px){#preview-target{display:none}#preview-toolbar{padding-left:4px}}
.object-list .material-select{display:flex;align-items:center;justify-content:flex-start;gap:7px;flex:1;min-width:0;margin:0;padding:5px 4px;white-space:nowrap;text-align:left;overflow:hidden}
.material-drop-target{outline:2px solid #a5e8c9!important;outline-offset:-2px}
#inspector .material-fields{border:0;border-top:1px solid #35434c;border-radius:0;margin:6px 0;padding:0 0 8px}
.material-fields>summary{padding:9px 0;font-size:13px;color:#c3d1d8;cursor:pointer;text-transform:capitalize}
#inspector input[type=color]{height:32px;padding:3px}
#inspector input[type=range]{padding:0;accent-color:#a5e8c9}
.object-list .hierarchy-row .material-select{font-size:13px;font-weight:400;color:#a9bcc7}
.object-list .hierarchy-row .material-select.selected,.object-list .hierarchy-row .material-select:hover{background:#293c34;color:#c5f1d7}
.object-list > .material-collection{padding-left:20px}
.object-list > .material-entry{padding-left:40px}
.object-list .hierarchy-row .material-select{flex:1 1 0%;width:auto}
#image-export-dialog{width:min(980px,calc(100vw - 32px));max-width:980px}
.image-export .export-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px}
.image-export fieldset{border:0;padding:0;margin:0;min-width:0}
.image-export legend{font-weight:600;margin-bottom:8px}
.image-export label{margin:10px 0;font-size:12px}
.image-export input:not([type=checkbox]):not([type=range]){width:100%;min-width:0;padding:8px;background:#202a31;color:#dce2e7;border:1px solid #42515b;border-radius:4px;font:inherit}
.image-export select{font-size:12px;padding:8px}
.export-dimensions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.image-export .export-lock{display:flex;gap:7px;align-items:center}
.export-image-area{min-width:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#10171c;padding:16px;border:1px solid #35434c}
.image-export #export-preview{max-width:100%;width:auto;height:auto;max-height:360px;object-fit:contain}
.export-image-area label{width:100%;margin-top:20px}
.image-export p{font-size:12px;line-height:1.5;margin:8px 0}
.image-export #export-memory{color:#a5e8c9}
.image-export .export-progress{margin-top:18px}
.image-export progress{position:static;width:100%;height:7px;display:block}
#export-status,#export-time{font-variant-numeric:tabular-nums}
#export-error{color:#ffbbad}
.image-export .export-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.image-export .export-actions button{width:auto;margin-top:12px;padding:8px 14px}
@media(max-width:700px){.image-export .export-layout{grid-template-columns:1fr}.export-image-area{min-height:200px}}
#image-export-dialog[open]{display:flex;flex-direction:column;max-height:calc(100vh - 32px);overflow:hidden}
#image-export-dialog>h2{flex:none}
#image-export-dialog>.image-export{display:flex;flex-direction:column;min-height:0}
.image-export .export-layout{overflow:auto;min-height:0}
.image-export .export-progress,.image-export .export-actions{flex:none}