:root{--color-bg:#f7f7f5;--color-surface:#fff;--color-text:#1f2328;--color-text-muted:#5f6673;--color-primary:#2f6fed;--color-primary-soft:#e7efff;--color-accent:#e8590c;--color-danger:#e03131;--color-lock:#8d6e4a;--color-border:#e3e5e8;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--tap-min:44px;--shadow-float:0 2px 8px #00000024;--shadow-sheet:0 -4px 24px #0000001f;--font:-apple-system, "Hiragino Sans", "Noto Sans JP", system-ui, 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var(--chrome-bottom));font-family:var(--font);color:var(--color-text);background-color:var(--color-bg);font-size:14px}html,body,#root{height:100%;margin:0;overflow:hidden}html,body,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}html,body{overscroll-behavior:none;overflow-x:hidden}img,.canvas2d,.viewer3d{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}img{pointer-events:none}button,input,select,textarea{font:inherit}input,select,textarea{font-size:16px!important}button{border:1px solid var(--border);background:var(--color-surface);min-height:32px;color:inherit;cursor:pointer;border-radius:6px;padding:0 10px}button:disabled{cursor:default;opacity:.4}button.toggle[aria-pressed=true]{border-color:var(--accent);background:var(--color-selected-soft);color:var(--accent)}.app{height:100dvh;padding:var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);box-sizing:border-box;background:var(--color-surface);grid-template:"bar bar 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var(--safe-left);box-sizing:border-box;flex-direction:column;display:flex}.project-list-title{color:var(--muted);font-size:14px}.project-back{margin-left:auto}.project-list-main{flex:auto;padding:12px;overflow-y:auto}.project-list-actions{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.project-list-empty{color:var(--muted)}.project-list{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.project-row{border:1px solid var(--border);background:var(--color-surface);border-radius:8px;gap:10px;padding:8px;display:flex}.project-row[data-current=true]{border-color:var(--accent)}.project-open{background:0 0;border:none;flex:none;padding:0}.project-thumb{border:1px solid var(--border);background:var(--surface);border-radius:4px;width:72px;height:72px;display:block}.project-info{flex-direction:column;flex:auto;gap:4px;min-width:0;display:flex}.project-name{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.project-badge{background:var(--color-selected-soft);color:var(--accent);border-radius:8px;margin-left:6px;padding:0 6px;font-size:11px;font-weight:400}.project-meta{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.project-version{margin-left:8px;font-size:11px}.project-buttons{flex-wrap:wrap;gap:4px;display:flex}.dialog-backdrop{z-index:30;background:#00000059;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.dialog{background:var(--color-surface);border-radius:8px;max-width:360px;padding:16px;box-shadow:0 8px 24px #00000040}.dialog p{margin:0 0 12px}.dialog-buttons{justify-content:flex-end;gap:8px;display:flex}.toolbar-group{align-items:center;gap:4px;display:inline-flex}.toolbar-caption{color:var(--muted);font-size:12px}.app-canvas{grid-area:canvas;min-width:0;min-height:0;position:relative}.split-view{display:flex;position:absolute;inset:0}.view2d{flex:0 0 50%;min-width:0;position:relative}.view3d{flex:1 1 0;min-width:0;position:relative}.splitter{z-index:1;cursor:col-resize;background:linear-gradient(to right, transparent 2px, var(--border) 2px, var(--border) 4px, transparent 4px);touch-action:none;flex:0 0 6px;margin:0 -2px}.splitter:hover,.splitter:focus-visible{background:linear-gradient(to right, transparent 1px, var(--accent) 1px, var(--accent) 5px, transparent 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minmax(0,1fr);align-items:center;gap:4px;margin-bottom:6px;font-size:13px;display:grid}.material-field input[type=text],.material-field select{box-sizing:border-box;min-width:0;height:28px;font:inherit}.material-color{gap:4px;min-width:0;display:flex}.material-color input[type=color]{flex:none;width:36px;height:28px;padding:0}.material-color input[type=text]{flex:auto;min-width:0}.material-size{align-items:center;gap:4px;min-width:0;display:flex}.material-size input{box-sizing:border-box;min-width:0;height:28px;font:inherit;flex:1 1 0}.material-field input[aria-invalid=true]{border-color:var(--color-danger-strong);background:var(--color-danger-soft)}.material-add-open{margin-top:10px}.room-finish{border-top:1px solid var(--border);margin-top:10px;padding-top:6px}.room-finish h3,.room-finish h4{margin:4px 0 6px;font-size:13px}.segmented{gap:2px;display:flex}.segmented button{flex:1 1 0;min-height:28px;padding:0 4px;font-size:12px}.material-sets{margin-top:8px}.material-set-detail{color:var(--muted);margin:0 0 6px;font-size:11px}.material-set-save{gap:4px;margin-top:6px;display:flex}.material-set-save input{box-sizing:border-box;flex:auto;min-width:0;height:32px}@media (width<=767px),(orientation:landscape) and (height<=500px){.material-item{min-height:44px}.material-tabs button{min-height:36px}}.item-current{margin:4px 0 8px;font-size:12px}.item-group h3{margin:10px 0 4px;font-size:13px}.item-category h4{color:var(--muted);margin:6px 0 2px;font-size:11px;font-weight:600}.item-list{gap:3px;margin:0;padding:0;list-style:none;display:grid}.item-choice{text-align:left;justify-content:space-between;gap:6px;width:100%;min-height:32px;font-size:12px;display:flex}.item-choice[aria-pressed=true]{border-color:var(--color-selected);background:var(--color-selected-soft)}.item-choice-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.item-choice-size{color:var(--muted);font-variant-numeric:tabular-nums;flex:none}.item-custom{gap:3px;display:flex}.item-custom .item-choice{flex:auto;min-width:0}.item-custom-delete{flex:none;width:32px}.item-rotation{gap:4px;min-width:0;display:flex}.item-rotation input{flex:auto;min-width:0}.item-slots h3{margin:10px 0 4px;font-size:13px}.item-slot-chip{vertical-align:-1px;border:1px solid #0000004d;border-radius:2px;width:10px;height:10px;margin-right:4px;display:inline-block}.tb-item{gap:4px;min-width:0;display:inline-flex}.tb-item-name{text-overflow:ellipsis;white-space:nowrap;max-width:16em;overflow:hidden}@media (width<=767px),(orientation:landscape) and (height<=500px){.app-toolbar .tb-item .tb-item-name{flex:1 1 0;min-width:0}}.plan-lock[aria-pressed=false]{color:#8a5a1f;border-color:#8a5a1f}.plan-lock[aria-pressed=true]{border-color:var(--color-danger);background:var(--color-danger-soft);color:var(--color-danger-strong)}.badge{background:var(--border);color:#1f2937;text-align:center;font-variant-numeric:tabular-nums;border-radius:999px;min-width:1.4em;padding:0 5px;font-size:12px;line-height:1.5;display:inline-block}.badge[data-active=true],.change-count[data-active=true] .badge{background:var(--color-danger);color:var(--color-on-primary);font-weight:700}.change-count{white-space:nowrap}.change-count[data-active=true]{border-color:var(--color-danger);color:var(--color-danger-strong)}.panel-tabs{z-index:2;border-bottom:1px solid var(--border);background:var(--surface);gap:0;padding:6px 8px;display:flex;position:sticky;top:0}.panel-tabs button{border-radius:0;flex:1 1 0}.panel-tabs button:first-child{border-radius:6px 0 0 6px}.panel-tabs button:last-child{border-radius:0 6px 6px 0;margin-left:-1px}.panel-tabs [role=tab][aria-selected=true]{border-color:var(--accent);background:var(--accent);color:var(--color-on-primary)}.panel-tabs [role=tab][aria-selected=true] .badge:not([data-active=true]){background:var(--color-surface)}.change-panel{padding:8px 12px 16px;font-size:13px}.change-panel h2{margin:4px 0 8px;font-size:15px}.change-panel h2 .muted,.change-panel .muted{color:var(--muted);font-size:12px;font-weight:400}.change-areas{border:1px solid var(--border);background:var(--color-surface);font-variant-numeric:tabular-nums;border-radius:6px;grid-template-columns:auto 1fr;gap:2px 8px;margin:0 0 8px;padding:6px 8px;display:grid}.change-area-floor{display:contents}.change-areas dt{color:var(--muted)}.change-areas dd{margin:0}.area-delta[data-sign=\+]{color:var(--color-danger-strong)}.area-delta[data-sign=\-]{color:var(--color-selected)}.change-filters{flex-wrap:wrap;gap:2px 10px;margin:4px 0;display:flex}.change-filter,.change-overlay{align-items:center;gap:4px;display:inline-flex}.change-overlay{margin:4px 0}.change-total{margin:8px 0 4px;font-weight:700}.change-group h3{margin:10px 0 4px;font-size:13px}.change-group ul{gap:4px;margin:0;padding:0;list-style:none;display:grid}.change-item{text-align:left;align-items:flex-start;gap:6px;width:100%;min-height:36px;padding:6px 8px;line-height:1.4;display:flex}.change-item[aria-pressed=true]{border-color:var(--color-danger);background:var(--color-danger-soft)}.change-kind{background:#e9ecef;border-radius:4px;flex:none;padding:0 4px;font-size:11px;line-height:1.6}.change-kind[data-kind=added]{background:#d3f9d8}.change-kind[data-kind=removed]{background:#ffe3e3}.change-kind[data-kind=moved]{background:#d0ebff}.change-kind[data-kind=resized]{background:#fff3bf}.base-lock-bar{z-index:4;color:#8a5a1f;background:#fff8ef;border:1px solid #8a5a1f;border-radius:8px;align-items:center;gap:6px;width:max-content;max-width:calc(100% - 16px);padding:4px 6px 4px 10px;font-size:12px;display:flex;position:absolute;bottom:8px;left:50%;transform:translate(-50%);box-shadow:0 2px 8px #00000026}.base-lock-text{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.base-lock-bar button{white-space:nowrap;flex:none}@media (width<=767px),(orientation:landscape) and (height<=500px){.change-item{min-height:44px}}.viewpoint-bar{left:50%;bottom:calc(8px + var(--safe-bottom));pointer-events:none;flex-direction:column;align-items:center;gap:6px;max-width:calc(100% - 16px);display:flex;position:absolute;transform:translate(-50%)}.viewpoint-bar>*{pointer-events:auto}.viewpoint-row{background:#ffffffe0;border-radius:10px;align-items:center;gap:4px;padding:4px;display:flex;box-shadow:0 2px 8px #00000026}.viewpoint-row button{white-space:nowrap;background:#ffffffe6;flex:none;padding:0 8px}.viewpoint-row{box-sizing:border-box;max-width:100%}.viewpoint-chips{overscroll-behavior:contain;scrollbar-width:none;scroll-snap-type:x proximity;flex:0 auto;gap:4px;min-width:0;max-width:22em;display:flex;overflow-x:auto}.viewpoint-chips::-webkit-scrollbar{display:none}.viewpoint-row .viewpoint-chip{scroll-snap-align:start;text-overflow:ellipsis;align-items:center;gap:4px;max-width:10em;display:inline-flex;overflow:hidden}.viewpoint-row .viewpoint-chip[aria-pressed=true]{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary);font-weight:600}.viewpoint-empty{color:var(--color-text-muted);white-space:nowrap;padding:0 8px;font-size:13px}.viewpoint-list{background:var(--color-surface);border-radius:10px;width:min(320px,100vw - 32px);max-height:50vh;padding:8px;font-size:13px;overflow-y:auto;box-shadow:0 4px 14px #0003}.viewpoint-list-head{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.viewpoint-list ol{margin:0;padding:0;list-style:none}.viewpoint-list li{align-items:center;gap:2px;padding:2px 0;display:flex}.viewpoint-list li[data-active=true] .viewpoint-name{color:var(--accent);font-weight:600}.viewpoint-list .viewpoint-name{text-align:left;white-space:nowrap;text-overflow:ellipsis;border:none;flex:1;min-width:0;overflow:hidden}.viewpoint-list li button:not(.viewpoint-name){min-width:32px;padding:0 6px}@media (width<=767px),(orientation:landscape) and (height<=500px){.viewpoint-bar[data-walking=true]{align-items:flex-end;left:auto;right:8px;transform:none}.viewpoint-chips{max-width:none}}.viewer3d-stack{display:flex;position:absolute;inset:0}.viewer3d-pane{flex-direction:column;flex:1 1 0;min-width:0;min-height:0;display:flex}.viewer3d-pane-body{flex:1 1 0;min-height:0;position:relative}.viewer3d-stack[data-compare=true] .viewer3d-pane+.viewer3d-pane{border-left:2px solid #fff}.viewer3d-compare-view{pointer-events:none}.compare-label{color:var(--color-on-primary);white-space:nowrap;text-overflow:ellipsis;background:#343a40;flex:none;padding:2px 8px;font-size:12px;overflow:hidden}@media (width<=767px),(orientation:landscape) and (height<=500px){.viewer3d-stack[data-compare=true]{flex-direction:column}.viewer3d-stack[data-compare=true] .viewer3d-pane+.viewer3d-pane{border-top:2px solid #fff;border-left:0}}.icon-button{min-width:var(--tap-min);min-height:var(--tap-min);background:0 0;border:none;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}button{-webkit-user-select:none;user-select:none}button:active:not(:disabled){filter:brightness(.94)}.app-bar{align-items:center;gap:var(--space-2);min-width:0;height:var(--appbar-h);padding:0 var(--space-1);border-bottom:1px solid var(--border);background:var(--color-surface);grid-area:bar;display:flex}.app-home{color:var(--color-text)}.app-title{white-space:nowrap;text-overflow:ellipsis;flex:0 auto;min-width:0;max-width:14em;margin:0;font-size:15px;overflow:hidden}.context-chip{border:1px solid var(--border);background:var(--color-bg);border-radius:18px;flex:0 auto;align-items:center;gap:4px;min-width:0;max-width:160px;min-height:36px;padding:0 10px;font-weight:600;display:inline-flex}.context-chip[data-base=true]{color:var(--color-lock)}.context-chip[data-base-editing=true]{border:2px solid var(--color-accent)}.context-chip-text{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.context-chip-caret{color:var(--muted);flex:none;font-size:11px}.context-chip-lock{flex:none}.app-bar .floor-tabs{flex:0 auto;min-width:0}.app-bar .change-count{margin-left:auto}.app-menu-button{margin-left:auto;position:relative}.app-bar .change-count+.file-actions+.app-menu-button,.app-bar .file-actions+.app-menu-button{margin-left:0}.dot-badge{box-sizing:border-box;background:var(--color-danger);min-width:16px;height:16px;color:var(--color-on-primary);border-radius:8px;padding:0 4px;font-size:10px;font-weight:700;line-height:16px;position:absolute;top:4px;right:2px}.app-view-tabs{flex:none;width:88px;display:flex}.app-view-tabs button{border-radius:0;flex:1 1 0;min-height:32px;padding:0;font-weight:600}.app-view-tabs button:first-child{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.app-view-tabs button:last-child{border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-left:-1px}.app-view-tabs [role=tab][aria-selected=true]{border-color:var(--color-primary);background:var(--color-primary);color:var(--color-on-primary)}.app-dock{border-right:1px solid var(--border);background:var(--color-surface);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;grid-area:dock;min-width:0;min-height:0}.dock-slots{gap:var(--space-1);padding:var(--space-1);flex-direction:column;display:flex}.dock-button{border-radius:var(--radius-sm);min-width:0;min-height:56px;color:var(--color-text);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:2px 0;display:flex}.dock-label{white-space:nowrap;font-size:11px;line-height:1.2}.dock-button[aria-pressed=true]{background:var(--color-primary);color:var(--color-on-primary)}.dock-button[aria-pressed=true] .dock-label{font-weight:700}.dock-button[aria-expanded=true]{background:var(--color-primary-soft);color:var(--color-primary)}.app-subbar{align-items:center;gap:var(--space-2);min-width:0;min-height:var(--tap-min);padding:0 var(--space-2);border-bottom:1px solid var(--border);background:var(--color-surface);overscroll-behavior:contain;scrollbar-width:none;grid-area:subbar;animation:.15s ease-out subbar-in;display:flex;overflow-x:auto}@keyframes subbar-in{0%{opacity:0}}.app-subbar>*{flex:none}.app-subbar button,.app-subbar select{white-space:nowrap;min-height:36px}.subbar-end{min-width:64px;margin-left:auto;font-weight:700}.subbar-guide{min-width:0;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden;flex:auto!important}.subbar-icon-button{align-items:center;gap:4px;display:inline-flex}.segmented{gap:0}.segmented button+button{margin-left:-1px}.segmented button:not(:first-of-type){border-top-left-radius:0;border-bottom-left-radius:0}.segmented button:not(:last-of-type){border-top-right-radius:0;border-bottom-right-radius:0}.segmented .toolbar-caption{margin-right:6px}.chip{background:var(--color-bg);border-radius:18px}.subbar-chips{gap:var(--space-2)}.tb-opening select{max-width:10em}.tb-item-name{text-overflow:ellipsis;max-width:9em;overflow:hidden}.undo-pill{gap:0;display:flex}.undo-pill button{width:var(--tap-min);height:var(--tap-min);background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.app-undo{margin-bottom:var(--space-2);z-index:1;flex-direction:column;grid-area:dock;place-self:end center}.status-chip{font-variant-numeric:tabular-nums;flex-direction:column;align-items:flex-start;gap:4px;max-width:calc(100% - 140px);font-size:12px;display:flex}.status-chip-summary{max-width:100%;min-height:28px;box-shadow:var(--shadow-float);color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;background:#ffffffe0;border:none;border-radius:14px;align-items:center;gap:4px;padding:0 10px;font-size:12px;display:inline-flex;overflow:hidden}.status-chip[data-save=error] .status-chip-summary,.status-chip[data-save=unavailable] .status-chip-summary{background:var(--color-danger);color:var(--color-on-primary)}.status-chip-detail{border-radius:var(--radius-sm);max-width:100%;box-shadow:var(--shadow-float);color:var(--color-text);background:#fffffff0;flex-direction:column;gap:2px;padding:8px 10px;display:flex}.status-chip-detail[hidden]{display:none}.status-spinner{border:2px solid var(--border);border-top-color:var(--color-primary);border-radius:50%;width:10px;height:10px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.wizard-banner{z-index:6;max-width:calc(100% - 24px);margin-top:var(--space-2);border-radius:var(--radius-md);box-shadow:var(--shadow-float);pointer-events:none;background:#fffffff0;grid-area:canvas;place-self:start center;padding:6px 12px;font-size:13px}.sheet-handle{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background:0 0;border:none;flex:none;justify-content:center;align-items:center;width:100%;height:20px;min-height:20px;padding:0;display:flex}.sheet-handle-bar{background:#c4c8cf;border-radius:2px;width:40px;height:4px}.sheet-header{align-items:center;gap:var(--space-1);min-height:var(--tap-min);padding:0 var(--space-1) 0 var(--space-4);flex:none;display:flex}.sheet-title{white-space:nowrap;text-overflow:ellipsis;flex:auto;min-width:0;margin:0;font-size:15px;overflow:hidden}.sheet-delete{color:var(--color-danger)}.popup-sheet{z-index:16;max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - 120px);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--color-surface);flex-direction:column;display:flex;position:fixed;box-shadow:0 8px 24px #0000002e}.popup-title{color:var(--muted);flex:none;margin:0;padding:12px 16px 4px;font-size:13px}.popup-body{overscroll-behavior:contain;min-height:0;padding:4px 16px 16px;overflow-y:auto}.popup-note{color:var(--muted);margin:8px 0}.popup-sheet[data-popup=display],.popup-sheet[data-popup=tools]{top:calc(var(--safe-top) + var(--appbar-h) + 8px);left:calc(var(--safe-left) + 72px);width:340px}.popup-sheet[data-popup=context]{top:calc(var(--safe-top) + var(--appbar-h) + 4px);left:calc(var(--safe-left) + 120px);width:320px}.popup-sheet[data-popup=menu]{top:calc(var(--safe-top) + var(--appbar-h) + 4px);right:calc(var(--safe-right) + 8px);width:280px}.popup-sheet[data-popup=menu] .popup-body{padding:4px 0 8px}.sheet-section{padding:8px 0}.sheet-section+.sheet-section{border-top:1px solid var(--border)}.sheet-section h3{margin:0 0 8px;font-size:13px}.sheet-section-body{gap:var(--space-2);flex-wrap:wrap;align-items:center;display:flex}.sheet-section button,.sheet-section select{min-height:var(--tap-min)}.sheet-section .toolbar-group{flex-wrap:wrap}.sheet-tools{gap:var(--space-2);grid-template-columns:repeat(auto-fill,minmax(72px,1fr));display:grid}.sheet-tool{border-radius:var(--radius-sm);flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:64px;padding:4px;font-size:12px;display:flex}.sheet-tool[aria-pressed=true]{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary)}.context-rows{gap:4px;margin:0;padding:0;list-style:none;display:grid}.context-row{gap:4px;display:flex}.context-row-main{min-width:0;min-height:var(--tap-min);text-align:left;flex:auto;align-items:center;gap:6px;display:flex}.context-row-main[aria-pressed=true]{border-color:var(--color-primary);background:var(--color-primary-soft)}.context-row-name{white-space:nowrap;text-overflow:ellipsis;flex:auto;min-width:0;overflow:hidden}.context-row-menu,.floor-row-menu{width:var(--tap-min);min-height:var(--tap-min);flex:none;padding:0}.context-actions{gap:var(--space-2);margin-top:var(--space-2);flex-wrap:wrap;display:flex}.context-actions button{min-height:var(--tap-min)}.floor-rows{grid-template-columns:minmax(0, 1fr) var(--tap-min);gap:4px;display:grid;overflow:visible}.floor-rows>[role=tab],.floor-rows>.floor-tab-input{min-height:var(--tap-min);text-align:left;grid-column:1}.floor-rows>.floor-row-menu{grid-column:2}.floor-rows>.floor-add{min-height:var(--tap-min);grid-column:1/-1}.app-menu{flex-direction:column;display:flex}.app-menu button{min-height:var(--tap-min);text-align:left;background:0 0;border:none;border-radius:0;padding:0 16px}.app-menu button:hover:not(:disabled){background:var(--color-bg)}.app-menu .app-menu-title{white-space:nowrap;text-overflow:ellipsis;font-weight:700;overflow:hidden}.app-menu-group{border-top:1px solid var(--border);flex-direction:column;padding:4px 0;display:flex}.app-menu-caption{color:var(--muted);padding:4px 16px 0;font-size:12px}.app-menu>button+.app-menu-group,.app-menu-group+button{border-top:1px solid var(--border)}.toast{pointer-events:auto;align-items:center;gap:12px;display:flex}.toast-action{color:#8fb3ff;background:0 0;border:none;flex:none;min-height:32px;font-weight:700}@media (prefers-reduced-motion:reduce){.app-subbar,.app-panel,.popup-sheet{transition:none!important;animation:none!important}}@media (width>=768px) and (height>=501px),(width>=768px) and (orientation:portrait){.app-subbar{border-left:none}.app-panel .sheet-handle,.app-panel .sheet-header{display:none}}@media (width<=767px),(orientation:landscape) and (height<=500px){:root:has(.app-subbar:not([data-empty])){--subbar-h:44px}:root:has(.app[data-fullscreen=true]){--chrome-bottom:0px}:root:has(.app-panel[data-open=true][data-snap=peek]){--sheet-h:var(--sheet-peek-h)}.app{--app-areas:"bar" "canvas" "subbar" "dock";--app-rows:var(--appbar-h) minmax(0, 1fr) auto var(--dock-h);grid-template-columns:minmax(0,1fr);grid-template-rows:var(--app-rows);grid-template-areas:var(--app-areas)}.app-bar{gap:var(--space-1);padding:0}.view2d,.view3d{flex:1 1 0}.project-list{grid-template-columns:minmax(0,1fr)}.context-chip{flex:auto;max-width:160px;margin:0 auto}.app-menu-button{margin-left:0}.app-dock{box-sizing:border-box;height:var(--dock-h);border-top:1px solid var(--border);border-right:none;overflow:hidden}.dock-slots{flex-direction:row;gap:0;height:100%;padding:0}.dock-button{border-radius:0;flex:1 1 0;min-height:0}.app-subbar{box-sizing:border-box;height:var(--subbar-h);border-top:1px solid var(--border);border-bottom:none;overflow-y:hidden}.app-undo{margin:0 12px calc(12px + var(--sheet-h,0px)) 0;box-shadow:var(--shadow-float);z-index:5;background:#ffffffe0;border-radius:22px;flex-direction:row;grid-area:canvas;place-self:end}.app-status{margin:0 0 calc(12px + var(--sheet-h,0px)) 12px;z-index:5;grid-area:canvas;place-self:end start}.app[data-locked=true] .app-undo,.app[data-locked=true] .app-status{margin-bottom:calc(56px + var(--sheet-h,0px))}.app-panel{right:var(--safe-right);left:var(--safe-left);z-index:15;border-radius:var(--radius-lg) var(--radius-lg) 0 0;height:50dvh;box-shadow:var(--shadow-sheet);padding-bottom:var(--safe-bottom);box-sizing:border-box;border-left:none;transition:height .2s ease-out;display:none;position:fixed;bottom:0}.app-panel[data-open=true]{display:flex}.app-panel[data-snap=peek]{height:var(--sheet-peek-h);padding-bottom:0;overflow:hidden}.app-panel[data-snap=full]{height:calc(100dvh - var(--safe-top) - var(--appbar-h))}.app-panel[data-dragging=true]{transition:none}.app-panel .panel-tabs{flex:none}.app-panel[data-snap=peek] .app-panel-body{display:none}.popup-sheet,.popup-sheet[data-popup]{top:auto;right:var(--safe-right);bottom:calc(var(--safe-bottom) + var(--dock-h));left:var(--safe-left);width:auto;max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - var(--appbar-h) - var(--dock-h) - 8px);border-radius:var(--radius-lg) var(--radius-lg) 0 0;box-shadow:var(--shadow-sheet);border-bottom:none}.base-lock-bar{bottom:8px}.wizard-steps button,.wizard-actions button,.wizard-suggest button,.wizard-footer button,.underlay-steps button,.underlay-calibrate-start button,.underlay-panel .button-like{min-height:40px}}.viewer3d-buttons{z-index:3;align-items:flex-end;gap:var(--space-2);flex-direction:column;display:flex;position:absolute;top:12px;right:12px}.viewer3d-buttons [role=group]{display:contents}.round-button{width:var(--tap-min);height:var(--tap-min);box-shadow:var(--shadow-float);color:var(--color-text);background:#ffffffeb;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex}.round-button[aria-pressed=true],.round-button[aria-expanded=true]{background:var(--color-primary);color:var(--color-on-primary)}.viewer3d-popover{top:0;right:calc(var(--tap-min) + var(--space-2));gap:var(--space-2);width:max-content;max-width:min(320px,100vw - 80px);padding:var(--space-3);border-radius:var(--radius-md);background:var(--color-surface);flex-direction:column;display:flex;position:absolute;box-shadow:0 8px 24px #0000002e}.viewer3d-popover button,.viewer3d-popover select,.display3d button,.display3d select{min-height:var(--tap-min)}.display3d{gap:var(--space-2);flex-direction:column;display:flex}.display3d-row{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.viewer3d-eye input{width:5.5em}.fullscreen-popover{max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - 24px);overscroll-behavior:contain;overflow-y:auto}.viewer3d-floor-name{right:12px;bottom:calc(12px + var(--safe-bottom));color:var(--color-on-primary);pointer-events:none;background:#00000073;border-radius:10px;padding:2px 8px;font-size:12px;position:absolute}.app[data-fullscreen=true]{grid-template:"canvas"minmax(0,1fr)/minmax(0,1fr)}.app[data-fullscreen=true] .app-bar,.app[data-fullscreen=true] .app-dock,.app[data-fullscreen=true] .app-subbar,.app[data-fullscreen=true] .app-status,.app[data-fullscreen=true] .app-undo{display:none}@media (width>=768px) and (height>=501px),(width>=768px) and (orientation:portrait){.app[data-fullscreen=true] .app-panel{display:none}}.empty-state{z-index:2;align-items:center;gap:var(--space-3);width:min(320px,100% - 32px);padding:var(--space-4);border-radius:var(--radius-md);box-shadow:var(--shadow-float);color:var(--muted);text-align:center;pointer-events:none;background:#ffffffd9;flex-direction:column;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%)}.empty-state p{margin:0}.empty-state-actions{gap:var(--space-2);pointer-events:auto;display:flex}.empty-state-actions button{min-height:var(--tap-min)}@media (width<=767px),(orientation:landscape) and (height<=500px){.app[data-undo-side=left] .app-undo{margin:0 0 calc(12px + var(--sheet-h,0px)) 12px;justify-self:start}.app[data-undo-side=left] .app-status{margin:0 12px calc(12px + var(--sheet-h,0px)) 0;justify-self:end}.app[data-walking=true][data-mobile-view="3d"] .app-undo,.app[data-walking=true][data-mobile-view="3d"] .app-status{display:none}.viewpoint-bar{bottom:64px}.app[data-fullscreen=true] .viewpoint-bar{bottom:calc(40px + var(--safe-bottom))}}.app-menu-check,.app-menu-row{align-items:center;gap:var(--space-2);min-height:var(--tap-min);padding:0 16px;display:flex}.app-menu-row{justify-content:space-between}.app-menu-family-row{justify-content:flex-start}.app-menu-family-row input[type=text]{flex:1 1 0;min-width:0}.app-menu-family-row input[type=number]{width:5.5em}.display3d .segmented button,.viewer3d-popover .segmented button{white-space:nowrap}.viewer3d-eye-height{color:var(--muted);white-space:nowrap}.app-menu .segmented button{border:1px solid var(--border);text-align:center;border-radius:6px;min-width:44px;padding:0 12px}@media (width<=767px),(orientation:landscape) and (height<=500px){.app-panel{bottom:var(--kb-inset,0px)}.app-panel[data-snap=peek]{bottom:calc(var(--sheet-bottom) + var(--kb-inset,0px))}.popup-sheet,.popup-sheet[data-popup]{bottom:calc(var(--safe-bottom) + var(--dock-h) + var(--kb-inset,0px))}.app-subbar{transform:translateY(calc(-1 * var(--kb-inset,0px)))}}.dialog,.floor-menu{max-height:calc(100dvh - var(--safe-top) - var(--safe-bottom) - 32px);overflow-y:auto}.sheet-select-button{align-items:center;gap:4px;max-width:9em;min-height:36px;display:inline-flex}.sheet-select-value{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.popup-sheet.sheet-select{z-index:25}.sheet-select-group{color:var(--muted);padding:8px 0 4px;font-size:12px}.sheet-select-option{width:100%;min-height:var(--tap-min);text-align:left;background:0 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*{vector-effect:non-scaling-stroke}.catalog-grid .item-custom-delete{width:32px;min-height:32px;position:absolute;top:2px;right:2px}.catalog-grid .item-custom{display:block}@media (orientation:landscape) and (height<=500px){:root{--appbar-h:40px}:root:has(.app-subbar:not([data-empty])){--subbar-h:0px}.app{--app-areas:"bar bar" "canvas canvas" "subbar dock";--app-rows:var(--appbar-h) minmax(0, 1fr) var(--dock-h);padding-left:var(--safe-left);padding-right:var(--safe-right);grid-template-columns:minmax(0,1fr) min(400px,50vw)}.app-bar{box-sizing:border-box;height:var(--appbar-h);overflow:hidden}.app-bar .icon-button,.app-bar button{height:var(--appbar-h);min-height:0}.app-bar .context-chip{height:32px}.app-subbar{height:var(--dock-h);border-top:1px solid var(--border);border-right:1px solid var(--border);overflow-x:auto}.app-dock{grid-area:dock}.app-panel,.popup-sheet,.popup-sheet[data-popup]{width:min(480px,100vw);left:auto}.app-panel[data-snap=half]{height:70dvh}.guide-figure 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