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footer{justify-content:space-between;align-items:center;gap:8px;display:flex}.sketch-entity-editor header{margin-bottom:10px}.sketch-entity-editor header>div{text-transform:capitalize;gap:2px;display:grid}.sketch-entity-editor .eyebrow{color:var(--color-text-dim);font-size:var(--fs-mini);text-transform:uppercase}.sketch-entity-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 8px;display:grid}.sketch-entity-editor .field input{width:100%;min-width:0}.sketch-entity-editor .form-error{color:var(--color-error);font-size:var(--fs-mini);margin:0 0 10px}.sketch-entity-constraints{color:var(--color-text);background:var(--color-surface-2);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);gap:6px;padding:10px 12px 12px;display:grid;box-shadow:0 14px 34px #0006}.sketch-entity-constraints .eyebrow{color:var(--color-text-dim);font-size:var(--fs-mini);text-transform:uppercase}.sketch-entity-constraint-tools{flex-wrap:wrap;gap:2px;display:flex}.sketch-entity-constraint-tools button{width:28px;height:26px;color:var(--color-text-muted);border-radius:var(--radius-sm);border:1px solid #0000;place-items:center;display:grid}.sketch-entity-constraint-tools button:hover{color:var(--color-text);background:var(--color-surface-hover)}.sketch-entity-constraint-tools button.active{color:var(--color-accent-hi);background:var(--color-accent-dim);border-color:var(--color-accent-border)}.sketch-entity-constraints .sketch-constraint-list li>svg{color:var(--color-text-subtle);flex:none}.text-object-fields .field input[type=text],.text-object-fields .field select{width:100%;min-width:0}.text-object-fields .field select{font-size:var(--fs-sm);padding:4px 6px}.text-style-toggles{gap:6px;display:flex}.text-style-toggles .toggle{border:1px solid var(--color-border);border-radius:var(--radius-sm,4px);width:30px;height:26px;color:var(--color-text-muted);cursor:pointer;font-size:var(--fs-sm);background:0 0;place-items:center;line-height:1;display:grid}.text-style-toggles .toggle:hover{color:var(--color-text);border-color:var(--color-border-strong,var(--color-border))}.text-style-toggles .toggle.active{background:var(--color-accent-dim);border-color:var(--color-accent);color:var(--color-accent)}.text-style-toggles .toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:1px}.field-hint{color:var(--color-text-dim);font-size:var(--fs-mini);margin:0 0 10px}@media (width<=760px){.sketch-rail{max-width:calc(100% - 20px);overflow-x:auto}.sketch-entity-dock{width:auto;inset:auto 10px 54px}.sketch-entity-editor{max-height:44vh;overflow-y:auto}.sketch-palette{width:min(238px,100% - 20px);max-height:46vh;top:auto;bottom:54px;right:10px;overflow-y:auto}}.sketch-plane-prompt{z-index:calc(var(--z-viewer-overlay) + 2);color:var(--color-text);background:var(--color-surface-2);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);align-items:center;gap:14px;padding:9px 12px;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 14px 34px #0006}.sketch-plane-prompt span:first-child{flex-direction:column;gap:1px;display:flex}.sketch-plane-prompt strong{font-size:var(--fs-sm)}.sketch-plane-prompt small{color:var(--color-text-dim);font-size:var(--fs-xs)}.sketch-plane-offset{color:var(--color-text-muted);font-size:var(--fs-xs);align-items:center;gap:6px;display:flex}.sketch-plane-offset input{width:64px;color:var(--color-text);font-family:var(--font-mono);font-size:var(--fs-xs);text-align:right;background:var(--color-surface-1);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);padding:4px 6px}.sketch-plane-offset-units{color:var(--color-text-dim)}.sketch-plane-buttons{gap:4px;display:flex}.sketch-plane-buttons button{color:var(--color-text);font-size:var(--fs-xs);background:var(--color-accent-dim);border:1px solid var(--color-accent-border);border-radius:var(--radius-sm);cursor:pointer;padding:5px 10px}.sketch-plane-buttons button:hover{background:#4da3ff38}.sketch-plane-buttons .sketch-plane-dismiss{margin-left:var(--sp-1);color:var(--color-text-muted);font-size:var(--fs-sm);background:0 0;border-color:#0000;padding:5px 9px;line-height:1}.sketch-plane-buttons .sketch-plane-dismiss:hover{color:var(--color-text);background:var(--color-surface-hover)}.revert-sketch-pill{z-index:calc(var(--z-viewer-overlay) + 2);color:var(--color-text);font-size:var(--fs-xs);background:var(--color-surface-2);border:1px solid var(--color-accent-border);cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:7px 14px;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #0006}.revert-sketch-pill:hover{background:var(--color-accent-dim)}.sketch-solve-pill.empty{visibility:hidden}.extrude-controls{flex-wrap:wrap;flex:0 0 100%;align-items:end;gap:8px;display:flex}.extrude-controls .field{flex:100px;min-width:0;margin:0}.extrude-controls select{width:100%;min-width:0}.extrude-form fieldset{border:0;gap:10px;min-width:0;margin:0;padding:0;display:grid}.extrude-form .field,.extrude-form .muted{margin:0}.extrude-form .extrude-symmetry{align-items:center;gap:8px;display:flex}.extrude-symmetry input{width:auto}.tool-card:has(.extrude-form){width:310px;max-height:calc(100% - 100px);animation:none;left:auto;right:14px;overflow-y:auto;transform:none}.tool-card .extrude-form{flex:1 0 100%;min-width:0}.tool-card:has(.extrude-form) .tool-card-copy{white-space:normal;flex:1;min-width:0}.workspace-tour{left:calc(var(--column-w,0px) + 12px);z-index:var(--z-inspector-float);width:296px;padding:var(--sp-3) var(--sp-4);background:var(--color-surface);border:var(--border-strong);border-radius:var(--radius-lg);animation:workspace-tour-in var(--dur-base) var(--ease-out);position:absolute;bottom:60px;box-shadow:0 10px 28px #0006}@keyframes workspace-tour-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.workspace-tour-head{align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-2);display:flex}.workspace-tour-progress{flex:1;gap:5px;display:inline-flex}.workspace-tour-dot{background:var(--color-border-strong);border-radius:999px;width:6px;height:6px}.workspace-tour-dot.is-active{background:var(--color-accent)}.workspace-tour-dot.is-done{background:var(--color-accent-border)}.workspace-tour-count{color:var(--color-text-subtle);font-size:var(--fs-mini)}.workspace-tour-title{margin:0 0 var(--sp-1);font-size:var(--fs-md);font-weight:var(--fw-medium)}.workspace-tour-body{color:var(--color-text-muted);font-size:var(--fs-xs);line-height:var(--lh-normal);margin:0}.workspace-tour-actions{margin-top:var(--sp-3);justify-content:flex-end;display:flex}.workspace-tour-next{color:var(--color-on-accent);background:var(--color-accent);border-radius:var(--radius-md);font-size:var(--fs-xs);font-weight:var(--fw-medium);padding:5px 12px}.workspace-tour-next:hover{background:var(--color-accent-hi)}.tour-target{outline:2px dashed var(--color-accent-border);outline-offset:2px}@media (width<=720px){.workspace-tour{display:none}}.activity-lane{left:calc(var(--column-w) + 12px);right:calc(var(--column-w) + 12px);z-index:calc(var(--z-viewer-overlay) + 1);pointer-events:none;justify-content:safe center;display:flex;position:absolute;bottom:58px}.activity-lane:empty{display:none}.viewer-area:has(.activity-pill) .workspace-toast{opacity:0;pointer-events:none}.viewer-area:has(.activity-pill) .toast{bottom:100px}.workspace.column-layout .viewer-area:has(.selection-chip) .activity-lane{bottom:92px}.activity-pill{max-width:min(720px,100%);height:32px;color:var(--color-text);background:var(--color-surface);border:var(--border-strong);box-shadow:var(--shadow-2);font-size:var(--fs-sm);white-space:nowrap;pointer-events:auto;animation:oz-fade var(--dur-fast) var(--ease-out);border-radius:6px;align-items:center;gap:10px;padding:0 6px 0 12px;display:inline-flex;position:relative;overflow:hidden}.activity-pill-glyph{flex:none;place-items:center;width:12px;height:12px;display:grid}.activity-pill-text{align-items:baseline;min-width:0;display:inline-flex;overflow:hidden}.activity-pill-verb{color:var(--color-text-muted);white-space:pre;flex:none}.activity-pill-name{text-overflow:ellipsis;min-width:0;max-width:260px;font-weight:var(--fw-medium);flex:0 auto;overflow:hidden}.activity-pill-detail{text-overflow:ellipsis;min-width:0;color:var(--color-text-muted);flex:0 auto;overflow:hidden}.activity-pill-detail:before{content:"·";color:var(--color-text-subtle);margin:0 8px}.activity-pill-detail.warning{color:var(--color-warning)}.activity-pill-detail.error{color:var(--color-error)}.activity-pill-detail.cancelled{color:var(--color-text-subtle)}.activity-pill-time{font-family:var(--font-mono);font-size:var(--fs-xs);font-variant-numeric:tabular-nums;color:var(--color-text-subtle);flex:none}.activity-pill-sep{background:var(--color-border);flex:none;width:1px;height:16px;margin-left:2px}.activity-pill-action,.activity-pill-cancel{border-radius:var(--radius-sm);font-size:var(--fs-xs);flex:none;padding:3px 8px}.activity-pill-action{color:var(--color-accent-hi);background:var(--color-accent-dim);border:1px solid var(--color-accent-border)}.activity-pill-action:hover{background:color-mix(in srgb, var(--color-accent) 22%, transparent)}.activity-pill-cancel{color:var(--color-text-muted);background:0 0;border:1px solid #0000}.activity-pill-cancel:hover:not(:disabled){color:var(--color-error);border-color:color-mix(in srgb, var(--color-error) 55%, transparent);background:color-mix(in srgb, var(--color-error) 12%, transparent)}.activity-pill-cancel:disabled{color:var(--color-text-subtle);cursor:default}.activity-pill-close{width:20px;height:20px;color:var(--color-text-subtle);border-radius:var(--radius-sm);flex:none;place-items:center;display:grid}.activity-pill-close:hover{color:var(--color-text);background:var(--color-surface-hover)}.activity-pill-bar{background:var(--color-surface-hover);height:2px;position:absolute;bottom:0;left:0;right:0}.activity-pill-bar>i{background:var(--color-accent);height:100%;transition:width var(--dur-base) linear;display:block}.activity-pill-bar.indeterminate>i{background:repeating-linear-gradient(115deg, var(--color-accent) 0 6px, color-mix(in srgb, var(--color-accent) 30%, transparent) 6px 14px);background-size:200% 100%;animation:.9s linear infinite activity-pill-stripe}.activity-pill-bar.ok>i{background:var(--color-success)}.activity-pill-bar.warning>i{background:var(--color-warning)}.activity-pill-bar.error>i{background:var(--color-error)}.activity-pill-bar.cancelled>i{background:var(--color-border-strong)}@keyframes activity-pill-stripe{to{background-position:-28px 0}}.activity-spin{border:1.5px solid var(--color-accent-dim);border-top-color:var(--color-accent);border-radius:50%;width:12px;height:12px;animation:.8s linear infinite activity-pill-spin}@keyframes activity-pill-spin{to{transform:rotate(360deg)}}.activity-dot{background:var(--color-success);border-radius:50%;width:8px;height:8px}.activity-dot.warning{background:var(--color-warning)}.activity-dot.error{background:var(--color-error)}.activity-dot.cancelled{background:var(--color-text-subtle)}@media (prefers-reduced-motion:reduce){.activity-pill{animation:none}.activity-pill-bar.indeterminate>i{background:var(--color-accent-dim);animation:none}.activity-spin{border-color:var(--color-accent);border-top-color:var(--color-accent-dim);animation:none}}.workspace.column-layout{--column-w:var(--sidebar-w)}.workspace-column-float{z-index:var(--z-inspector-float);width:min(var(--column-w), calc(100% - 20px));pointer-events:none;display:flex;position:absolute;top:0;bottom:0;left:0}.workspace-column-float>*{pointer-events:auto}.workspace.column-layout .sidebar-resizer{left:min(var(--column-w), calc(100% - 20px));z-index:calc(var(--z-inspector-float) + 1)}.workspace-column,.workspace-column-tools,.workspace-column-browser .sidebar{scrollbar-width:none;overflow-x:hidden}.workspace-column-browser .sidebar::-webkit-scrollbar{display:none}.workspace-column{background:var(--color-surface);border:var(--border-thin);border-radius:0 0 var(--radius-lg) 0;min-width:0;min-height:0;box-shadow:var(--shadow-2);border-top:0;border-left:0;flex-direction:column;flex:1;display:flex;overflow:hidden}.workspace-column-header{border-bottom:var(--border-thin);min-height:38px;color:var(--color-text-muted);font-size:var(--fs-sm);align-items:center;gap:7px;padding:0 8px 0 12px;display:flex}.workspace-column-header strong{color:var(--color-text);font-weight:var(--fw-medium);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.workspace-column-header .sketch-mark{color:var(--color-warning);flex:none}.workspace-column-header .spacer{flex:1}.workspace-column-search{min-width:0;height:28px;color:var(--color-text-subtle);background:var(--color-bg);border:var(--border-thin);border-radius:var(--radius-md);font-size:var(--fs-sm);text-align:left;flex:1;align-items:center;gap:8px;margin:0 -2px 0 -4px;padding:0 9px;display:flex}.workspace-column-search span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.workspace-column-search:hover{color:var(--color-text);border-color:var(--color-border-strong)}.workspace-column-finish{height:28px;color:var(--color-on-accent);background:var(--color-accent);border-radius:var(--radius-md);font-size:var(--fs-sm);font-weight:var(--fw-medium);white-space:nowrap;align-items:center;gap:6px;padding:0 9px 0 7px;display:inline-flex}.workspace-column-finish:hover{background:var(--color-accent-hi)}.workspace-column-tools{border-bottom:var(--border-thin);background:linear-gradient(var(--color-surface) 30%, transparent) top / 100% 14px no-repeat local, linear-gradient(transparent, var(--color-surface) 70%) bottom / 100% 14px no-repeat local, linear-gradient(#00000059, transparent) top / 100% 10px no-repeat scroll, linear-gradient(transparent, #00000059) bottom / 100% 10px no-repeat scroll;flex:0 auto;max-height:55%;overflow-y:auto;container-type:inline-size}.workspace-column-browser{flex-direction:column;flex:1;min-height:0;display:flex}.workspace-column-browser .sidebar{border-right:0;flex:1}.workspace-column-float>.sidebar{border-right:var(--border-thin);border-radius:0 0 var(--radius-lg) 0;min-width:0;box-shadow:var(--shadow-2);flex:1}.workspace.column-layout.with-assistant{--sidebar-col-w:0px;grid-template-columns:minmax(280px, 1fr) var(--assistant-col-w)}@media (width<=820px){.workspace.column-layout.with-assistant{grid-template-columns:minmax(0,1fr)}}.tool-palette{padding:1px 0 2px}.tool-group{padding:2px 6px 5px}.tool-group+.tool-group{border-top:var(--border-thin)}.tool-group-head{flex-wrap:wrap;align-items:center;gap:0 4px;display:flex}.tool-group-toggle{min-height:24px;color:var(--color-text-subtle);font-family:var(--font-mono);font-size:var(--fs-mini);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;text-align:left;flex:auto;align-items:center;gap:5px;padding:0 2px;display:flex}.tool-group-toggle:hover{color:var(--color-text)}.tool-group-toggle svg{flex:none}.tool-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:1px 2px;padding-top:1px;display:grid}.tool-group-strip{flex:none;gap:1px;margin-left:auto;display:flex}.tool-tile{min-width:0;height:26px;color:var(--color-text-muted);border-radius:var(--radius-sm);font-size:var(--fs-sm);text-align:left;white-space:nowrap;border:1px solid #0000;align-items:center;gap:7px;padding:0 5px 0 6px;display:flex}.tool-tile.compact{justify-content:center;width:22px;height:24px;padding:0}.tool-tile svg{color:var(--color-text-subtle);flex:none}.tool-tile-label{text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.tool-tile kbd{box-sizing:border-box;min-width:15px;color:var(--color-text-dim);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:var(--font-mono);text-align:center;flex:none;padding:0 3px;font-size:10px;line-height:14px}@container (width<=232px){.tool-tile kbd{display:none}.tool-tile{font-size:var(--fs-xs);gap:4px;padding:0 3px 0 4px}.tool-tile-label{letter-spacing:-.02em}}.tool-tile:hover:not(:disabled){color:var(--color-text);background:var(--color-surface-hover)}.tool-tile:hover:not(:disabled) svg{color:var(--color-accent)}.tool-tile.active{color:var(--color-text);background:var(--color-accent-dim);border-color:var(--color-accent-border)}.tool-tile.active svg{color:var(--color-accent)}.tool-tile:disabled{color:var(--color-text-dim)}.tool-tile:disabled svg{color:var(--color-text-dim);opacity:.6}.tool-tile:disabled kbd{opacity:.5}.tool-tile:focus-visible,.tool-group-toggle:focus-visible{outline:1px solid var(--color-accent);outline-offset:-1px}.sketch-rail{max-width:none;box-shadow:none;background:0 0;border:0;border-radius:0;flex-direction:column;align-items:stretch;gap:4px;padding:6px;animation:none;display:flex;position:static;transform:none}.sketch-rail .sketch-rail-group-label{padding:6px 4px 0}.sketch-rail-group{gap:2px;display:grid}.sketch-rail-group.draw{grid-template-columns:repeat(3,minmax(0,1fr))}.sketch-rail-group.draw>button,.sketch-rail-group.draw .sketch-circle-tool>button:first-child{flex-direction:column;justify-content:center;gap:3px;min-height:46px;padding:5px 2px;font-size:10px}.sketch-rail-group.draw button kbd{display:none}.sketch-rail-group.draw .sketch-circle-tool{min-width:0;display:flex}.sketch-rail-group.draw .sketch-circle-tool>button:first-child{flex:1;min-width:0}.sketch-rail-group.modify{grid-template-columns:repeat(3,minmax(0,1fr))}.sketch-rail-group.modify>button{flex-direction:column;justify-content:center;gap:3px;min-height:40px;padding:5px 2px;font-size:10px}.sketch-rail-group.constrain{grid-template-columns:repeat(6,minmax(0,1fr))}.sketch-rail-group.constrain>button{justify-content:center;padding:5px 0}.sketch-rail-group.solve{grid-template-columns:max-content minmax(0,1fr);align-items:center;gap:6px;padding-top:2px}.sketch-rail-group.solve .sketch-solve-pill{text-overflow:ellipsis;justify-self:start;min-width:0;max-width:100%;overflow:hidden}.sketch-rail-group.solve .sketch-solve-pill .stable-label{max-width:100%;overflow:hidden}.sketch-rail-group.utility{border-top:var(--border-thin);grid-template-columns:repeat(3,minmax(0,1fr));padding-top:4px}.sketch-rail-group.utility>button{flex-direction:column;justify-content:center;gap:3px;padding:5px 2px;font-size:10px}.sketch-palette{border:0;border-top:var(--border-thin);width:auto;box-shadow:none;backdrop-filter:none;background:0 0;border-radius:0;animation:none;position:static}.sketch-palette.collapsed{width:auto}.sidebar .sidebar-section.grow{flex:1}.sidebar .sidebar-section.collapsed .section-title{gap:8px}.history-scrub{flex:auto;justify-content:space-between;align-items:center;gap:2px;min-width:48px;padding:0 2px;display:flex;position:relative}.history-scrub:before{content:"";background:var(--color-border-strong);height:1px;position:absolute;top:50%;left:4px;right:4px}.history-scrub-dot{background:var(--color-text-muted);border:1.5px solid var(--color-text-muted);box-sizing:border-box;border-radius:999px;flex:0 7px;min-width:3px;height:7px;position:relative}.history-scrub-dot.consumed{background:var(--color-surface);border-color:var(--color-text-subtle)}.history-scrub-dot.active{background:var(--color-accent);border-color:var(--color-accent);min-width:9px;height:9px;box-shadow:0 0 0 2px var(--color-accent-dim);flex-basis:9px}.history-scrub-name{min-width:0;max-width:45%;color:var(--color-text);font-family:var(--font-ui);font-size:var(--fs-xs);font-weight:var(--fw-regular);letter-spacing:0;text-transform:none;text-overflow:ellipsis;white-space:nowrap;flex:0 auto;overflow:hidden}.history-scrub-position{color:var(--color-text-subtle);font-size:var(--fs-mini);flex:none}.viewport-dock-lane{left:calc(var(--column-w) + 12px);right:calc(var(--column-w) + 12px);z-index:var(--z-viewer-overlay);pointer-events:none;justify-content:safe center;display:flex;position:absolute;bottom:8px}.viewport-dock{background:var(--color-surface);border:var(--border-strong);border-radius:var(--radius-md);height:40px;box-shadow:var(--shadow-2);pointer-events:auto;flex:none;align-items:center;gap:6px;padding:0 8px;display:flex}.viewport-dock .viewer-rail{background:0 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200px;width:200px;margin-left:2px;position:static;transform:none}.workspace-toast{left:calc(var(--column-w) + 12px);right:calc(var(--column-w) + 12px);z-index:var(--z-viewer-overlay);pointer-events:none;transition:opacity var(--dur-fast) var(--ease-out);justify-content:safe center;display:flex;position:absolute;bottom:58px}.workspace-toast:not(.hidden) .workspace-toast-body{pointer-events:auto}.workspace-toast.hidden{opacity:0;pointer-events:none}.workspace.column-layout .selection-chip{bottom:56px}.workspace.column-layout .viewer-area:has(.selection-chip) .workspace-toast{bottom:92px}.workspace-toast-body{max-width:min(560px,100%);height:28px;color:var(--color-text-muted);background:color-mix(in srgb, var(--color-surface-2) 94%, transparent);border:var(--border-thin);border-radius:var(--radius-md);box-shadow:var(--shadow-2);font-size:var(--fs-xs);animation:oz-fade var(--dur-fast) var(--ease-out);align-items:center;gap:8px;padding:0 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