/* Floating editor shell: the scene owns the viewport, tools overlay it. */
.floating-editor{--edge:max(16px,env(safe-area-inset-left));--top:max(16px,env(safe-area-inset-top));--dock-top:96px;--panel-bottom:44px;--selected-bg:#ebf2ff;--selected-line:#c9dcff;--surface:#ffffffed;--shadow:0 8px 28px #253c6314;position:relative;isolation:isolate;overflow:hidden}
.floating-editor>header{position:absolute;inset:var(--top) 16px auto var(--edge);height:56px;padding:0;border:0;background:none;pointer-events:none;z-index:12;gap:0}
.floating-editor>header>*{pointer-events:auto}
.floating-editor .brand{width:80px;height:48px;display:flex}
.floating-editor .brand-logo{width:80px;max-width:80px;height:48px;object-fit:contain}
.floating-editor>main{position:absolute;inset:0;display:block}
.floating-editor #workspace{position:absolute;inset:0;width:100%;height:100%;border:0}
.floating-editor .header-actions{position:relative;display:flex;gap:4px;padding:5px;border:1px solid #e0e7f1;border-radius:13px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.floating-editor .header-actions>button{display:flex;align-items:center;justify-content:center;width:44px;min-width:44px;height:44px;min-height:44px;padding:10px;flex:none}
.floating-editor .header-actions .project-action-label{display:none}
.floating-editor #accountBtn{width:44px;min-width:44px;color:var(--blue)}
.floating-editor #projectMenu{position:absolute;right:0;top:calc(100% + 8px);width:180px;background:var(--surface);border:1px solid #e0e7f1;border-radius:13px;box-shadow:var(--shadow);padding:5px;backdrop-filter:blur(16px)}
.floating-editor #projectMenu button{display:flex;align-items:center;gap:12px;width:100%;height:44px;border:0;text-align:left;background:none;font-size:12px;padding:10px}
.floating-editor #projectMenu #downloadBtn{border-top:1px solid #e0e7f1;border-radius:0;margin-top:4px}
.floating-editor #projectMenu[hidden]{display:none}
.floating-editor .build-toolbar{top:var(--top);left:112px;right:182px;width:max-content;max-width:calc(100% - 294px);margin-inline:auto;display:block;padding:5px;border-radius:13px;max-height:none;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;overscroll-behavior:contain;box-shadow:var(--shadow);background:var(--surface);border:1px solid #e0e7f1}
.floating-editor .build-toolbar::-webkit-scrollbar,.floating-editor .view-toolbar::-webkit-scrollbar{display:none}
.floating-editor .build-toolbar .toolbar-editing{border:0;padding:0;gap:5px;flex-wrap:nowrap;width:max-content;min-width:100%}
.floating-editor .build-toolbar .tool-group{gap:3px;flex-wrap:nowrap;max-width:none;flex:none;overflow:visible}
.floating-editor .build-toolbar .tool-group+.tool-group{padding-left:5px;border-left:1px solid #e0e7f1}
.floating-editor .build-toolbar .tool-group button{width:44px;min-width:44px;min-height:44px;height:44px;flex:0 0 44px;padding:10px}
.floating-editor .build-toolbar output{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:0}
.floating-editor .view-toolbar{position:absolute;left:var(--edge);top:var(--dock-top);bottom:40px;z-index:10;display:flex;flex-direction:column;gap:7px;width:56px;max-height:calc(100% - var(--dock-top) - 40px);height:max-content;overflow-y:auto;padding:5px;border:1px solid #e0e7f1;border-radius:14px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(16px);scrollbar-width:none;overscroll-behavior:contain}
.floating-editor .view-toolbar .tool-group{display:flex;flex-direction:column;gap:4px;flex:none}
.floating-editor .view-toolbar .tool-group+.tool-group{border-top:1px solid #e0e7f1;padding-top:7px}
.floating-editor .view-toolbar button{display:flex;align-items:center;justify-content:center;width:44px;min-width:44px;min-height:44px;height:44px;padding:10px;flex:none}
.floating-editor .view-toolbar button[hidden],.floating-editor .build-toolbar button[hidden]{display:none}
/* Selected icon controls share the train toggle's light blue treatment. */
.floating-editor #view3d.active,.floating-editor #view2d.active,
.floating-editor .view-toolbar button.active,
.floating-editor .build-toolbar button[aria-pressed=true],
.floating-editor .header-actions>button[aria-expanded=true],
.floating-editor #trainPanel button[aria-pressed=true],
.floating-editor #trainPanel .train-direction button[aria-pressed=true],
.floating-editor #trainPanel #trainFleetList button[aria-pressed=true]{background:var(--selected-bg);border-color:var(--selected-line);color:var(--blue)}
.floating-editor #trainPanel #trainPlay:not([aria-pressed=true]):not(.train-blocked){background:#fff;border-color:var(--line);color:var(--ink)}
.floating-editor #libraryToggle,.floating-editor #overviewToggle{display:flex;position:static}
.floating-editor .editor-icon{width:22px;height:22px}
.floating-editor #library,.floating-editor #inspector{position:absolute;top:var(--dock-top);bottom:var(--panel-bottom);z-index:9;width:320px;max-width:calc(100% - 108px);padding:12px;display:none;transform:none;background:var(--surface);border:1px solid #e0e7f1;border-radius:15px;box-shadow:var(--shadow);backdrop-filter:blur(16px);overflow:auto;transition:none;overscroll-behavior:contain}
.floating-editor #library{left:calc(var(--edge) + 68px);flex-direction:column;overflow:hidden}
.floating-editor #library.open{display:flex}
.floating-editor #inspector{right:max(16px,env(safe-area-inset-right));padding:16px;width:280px}
.floating-editor #inspector.open{display:block}
.floating-editor .floating-panel-close{position:absolute;top:8px;right:8px;width:44px;height:44px;min-height:44px;padding:11px;border:0;background:transparent;color:#8392a8;z-index:1}
.floating-editor #library .floating-catalog{position:absolute;right:52px;top:8px;width:44px;min-height:44px;height:44px;padding:11px;display:flex;align-items:center;justify-content:center;z-index:1}
.floating-editor #library .filters{margin:0 88px 10px 0;gap:5px;flex:none;min-height:76px}
.floating-editor #library .filters button{min-height:36px;padding:6px 9px;font-size:12px;touch-action:manipulation}
.floating-editor #parts{padding:0 0 2px;gap:8px}
.floating-editor #parts .part-card{min-height:0;padding:0}
.floating-editor .part-card .pick-part{padding:7px}
.floating-editor .part-card .thumb{aspect-ratio:1.35;height:auto}
.floating-editor .part-card b{font-size:11px}
.floating-editor #inspector .scheme-heading{padding-right:38px;min-height:36px;margin:0 0 12px}
.floating-editor #inspector .scheme-heading input{width:100%;min-width:0}
.floating-editor #inspector .toggle-line{min-height:44px;font-size:12px;margin:0}
.floating-editor #inspector .edit-grid input,.floating-editor #inspector .edit-grid select{min-height:44px}
.floating-editor #inspector .section-title button{min-height:36px}
.floating-editor #inspector .selection-actions{flex-wrap:wrap}
.floating-editor #inspector .selection-actions button{min-height:44px;min-width:44px}
.floating-editor #trainPanel{left:calc(var(--edge) + 68px);right:16px;bottom:40px;width:auto;transform:none;z-index:11;box-shadow:var(--shadow);background:var(--surface);max-height:calc(100% - var(--dock-top) - 56px);overflow:visible}
.floating-editor:has(#trainPanel:not([hidden])){--panel-bottom:164px}
.floating-editor #trainPanel .train-controls{gap:6px}
.floating-editor #trainPanel button{width:44px;min-width:44px;height:44px;min-height:44px;padding:10px}
.floating-editor #trainPanel #trainFormation{height:48px;width:100%;padding:6px 12px}
.floating-editor #trainPanel .train-formation-picker{width:210px}
.floating-editor #trainPanel .train-formation-control{flex-basis:auto}
.floating-editor #trainPanel .train-speed{min-width:120px}
.floating-editor #trainPanel #trainFleetList button{height:44px;width:116px}
.floating-editor #trainPanel #trainFormationOptions button{height:auto;min-height:52px;width:100%}
.floating-editor #viewCube{position:absolute;right:16px;bottom:40px;width:52px;height:52px;padding:4px;z-index:7;border-radius:12px;background:var(--surface);font-size:14px}
.floating-editor:has(#trainPanel:not([hidden])) #viewCube{display:none}
.floating-editor .bottom-left{display:none}
.floating-editor>footer{position:absolute;inset:auto 16px max(8px,env(safe-area-inset-bottom)) calc(var(--edge) + 68px);height:18px;padding:0;border:0;background:none;z-index:7;pointer-events:none;font-size:10px;letter-spacing:0}
.floating-editor>footer #footerStatus{display:none}
.floating-editor #toast{z-index:16;bottom:110px}
@media(max-width:1000px){
 .floating-editor{--dock-top:148px}
 .floating-editor .build-toolbar{top:82px;left:var(--edge);right:16px;max-width:calc(100% - 32px);margin:0;width:max-content}
 .floating-editor #trainPanel .train-speed{order:3;flex-basis:100%;justify-content:flex-start}
 .floating-editor #trainPanel .train-speed input{max-width:none;width:auto}
 .floating-editor:has(#trainPanel:not([hidden])){--panel-bottom:210px}
}
@media(max-width:600px){
 .floating-editor{--edge:max(10px,env(safe-area-inset-left));--top:max(10px,env(safe-area-inset-top));--dock-top:140px}
 .floating-editor>header{right:10px}
 .floating-editor .brand,.floating-editor .brand-logo{width:64px;max-width:64px;height:44px}
 .floating-editor .build-toolbar{top:76px;right:10px;max-width:calc(100% - 20px)}
 .floating-editor #library,.floating-editor #inspector{left:calc(var(--edge) + 64px);right:10px;max-width:none;width:auto}
 .floating-editor #library .floating-catalog{position:absolute;right:52px;top:8px;width:44px;min-height:44px;height:44px;padding:11px;display:flex;align-items:center;justify-content:center;z-index:1}
.floating-editor #library .filters{margin:44px 0 8px;gap:3px}
 .floating-editor #library .filters button{padding:6px;font-size:11px}
 .floating-editor #trainPanel{left:var(--edge);right:10px;bottom:34px;padding:6px}
 .floating-editor #trainPanel .train-formation-picker{width:180px}
 .floating-editor #trainPanel .train-direction{gap:3px}
 .floating-editor #trainPanel .train-run-actions{margin-left:0}
 .floating-editor #trainPanel .train-formation-control{flex:1}
 .floating-editor:has(#trainPanel:not([hidden])){--panel-bottom:240px}
 .floating-editor #viewCube{right:10px}
}
@media(prefers-reduced-motion:reduce){.floating-editor button{transition:none}}