.outline-editor{--outline-canvas-min: 20rem;--outline-canvas-default: 34rem;--outline-canvas-max: 56rem;--outline-surface: var(--surface, #fff);--outline-line: var(--line, #d8dee6);--outline-ink: var(--ink, #17202a);--outline-muted: var(--muted, #647181);--outline-accent: var(--accent, #1769aa);--outline-danger: var(--danger, #b42318);display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:3.5rem minmax(0,1fr);min-width:20rem;max-width:100%;min-height:20rem;max-height:100%;height:100%;overflow:hidden;border:1px solid var(--outline-line);border-radius:.75rem;background:var(--outline-surface);color:var(--outline-ink)}.outline-toolbar{display:flex;align-items:center;gap:.75rem;min-height:3.5rem;padding:.75rem 1rem;border-bottom:1px solid var(--outline-line)}.outline-toolbar>div:first-child{font-weight:700}.outline-toolbar button{min-height:2.5rem;margin-left:auto}.outline-hint{min-width:0;overflow:hidden;color:var(--outline-muted);font-size:.82rem;text-overflow:ellipsis;white-space:nowrap}.outline-body{display:grid;grid-template-columns:minmax(var(--outline-canvas-min),1fr) minmax(16rem,19rem);min-height:0;height:100%;max-height:var(--outline-canvas-max);overflow:hidden}.outline-canvas-wrap{position:relative;min-height:var(--outline-canvas-min);overflow:hidden;background:#f8fafc}.outline-canvas{display:block;width:100%;height:100%;min-height:var(--outline-canvas-min);cursor:crosshair}.outline-grid-line{stroke:var(--outline-line);stroke-width:.15;pointer-events:none}.outline-fill{fill:var(--accent-soft);fill-opacity:.8;stroke:none;pointer-events:none}.outline-object{fill-opacity:.72;stroke:var(--outline-ink);stroke-width:.4;cursor:grab;touch-action:none}.outline-object:active{cursor:grabbing}.outline-object:hover,.outline-object:focus-visible,.outline-object.is-selected{stroke:var(--outline-accent);stroke-width:1.1;outline:none}.outline-object.is-selected{stroke-width:1.8}.outline-edge{stroke:var(--outline-ink);stroke-width:.8;pointer-events:none}.outline-edge:hover,.outline-edge:focus,.outline-edge.is-selected{stroke:var(--outline-accent);stroke-width:1.7;outline:none}.outline-edge.edge-open{stroke-dasharray:2.5 1.3}.outline-edge.edge-wall{stroke-width:1.1}.outline-edge-hit{fill:transparent;cursor:pointer}.outline-edge-hit:focus-visible{outline:2px solid var(--outline-accent);outline-offset:1px}.outline-edge-hit:hover+.outline-edge,.outline-edge-hit:focus+.outline-edge{stroke:var(--outline-accent);stroke-width:1.7}.outline-dimension{fill:var(--outline-muted);font-size:3px;pointer-events:none;text-anchor:middle}.outline-vertex{fill:var(--outline-surface);stroke:var(--outline-accent);stroke-width:.7;pointer-events:none}.outline-draft-vertex{fill:var(--outline-accent);stroke:var(--outline-surface);stroke-width:.4;pointer-events:none}.outline-draft-line{fill:none;stroke:var(--outline-accent);stroke-width:.8;stroke-dasharray:2 1;pointer-events:none}.outline-entrance-hit{fill:transparent;cursor:pointer}.outline-entrance-hit:focus-visible{outline:2px solid var(--outline-accent);outline-offset:1px}.outline-entrance{stroke:var(--success);stroke-width:1.2;stroke-dasharray:1.5 1;pointer-events:none}.outline-entrance.is-selected,.outline-entrance-hit:hover+.outline-entrance{stroke:var(--warning);stroke-width:1.8}.outline-panel{min-width:0;max-height:100%;overflow:auto;border-left:1px solid var(--outline-line)}.outline-section{display:grid;gap:.75rem;padding:1rem;border-bottom:1px solid var(--outline-line)}.outline-section h2,.outline-section h3,.outline-section p{margin:0}.outline-section h2,.outline-section h3{font-size:.95rem}.outline-section p{color:var(--outline-muted);font-size:.85rem;overflow-wrap:anywhere}.outline-field{display:grid;gap:.25rem;color:var(--outline-muted);font-size:.78rem}.outline-field input,.outline-section select{width:100%;min-height:2.5rem;padding:0 .65rem;border:1px solid var(--outline-line);border-radius:.5rem;background:var(--outline-surface);color:var(--outline-ink)}.outline-field input:focus-visible,.outline-section select:focus-visible,.outline-toolbar button:focus-visible{outline:3px solid #8dc6ed;outline-offset:2px}.outline-section button{min-height:2.5rem;border:1px solid var(--outline-line);border-radius:.5rem;background:var(--outline-surface);color:var(--outline-ink);cursor:pointer}.outline-section button:hover,.outline-toolbar button:hover{border-color:var(--outline-accent);background:#e6f1fa}.outline-section button:disabled{cursor:not-allowed;opacity:.5}.outline-diagnostic{padding:.65rem;border-left:3px solid var(--outline-danger);background:#fff5f4;color:var(--outline-ink)!important}.outline-entry{display:grid;gap:.65rem;padding-top:.75rem;border-top:1px solid var(--outline-line)}@media(max-width:760px){.outline-editor{min-width:0}.outline-body{grid-template-columns:minmax(0,1fr);min-width:0;max-height:none}.outline-canvas-wrap{min-width:0}.outline-panel{max-height:24rem;border-top:1px solid var(--outline-line);border-left:0}}:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:var(--ink);background:var(--canvas);--canvas: #f3f4f6;--surface: #ffffff;--surface-muted: #eef1f4;--ink: #17202a;--muted: #647181;--line: #d8dee6;--accent: #1769aa;--accent-soft: #e6f1fa;--danger: #b42318;--warning: #9a6700;--success: #18794e;--chat-canvas: #f5f7fa;--chat-bubble: #ffffff;--chat-outgoing: #1769aa;--chat-input: #f3f6f9;--focus-ring: #8dc6ed;--shadow-color: #26384a33;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;overflow:hidden}button,input,textarea,select{font:inherit}button{min-height:2.5rem;padding:0 var(--space-4);border:1px solid var(--line);border-radius:.5rem;background:var(--surface);color:var(--ink);cursor:pointer}button:hover{border-color:var(--accent);background:var(--accent-soft)}button:focus-visible,input:focus-visible{outline:3px solid #8dc6ed;outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.5}.shell{display:grid;grid-template-rows:4rem 1fr;height:100vh;min-height:560px}.topbar{display:flex;align-items:center;gap:var(--space-4);padding:0 var(--space-5);background:var(--surface);border-bottom:1px solid var(--line)}.brand{font-weight:760;letter-spacing:-.02em;margin-right:auto}.brand small{display:block;color:var(--muted);font-size:.72rem;font-weight:500}.toolbar{display:flex;gap:var(--space-2);align-items:center}.status{color:var(--muted);font-size:.875rem}.storage-status{max-width:22rem;color:var(--danger);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace{display:grid;grid-template-columns:minmax(15rem,20rem) minmax(20rem,1fr) minmax(15rem,19rem);gap:var(--space-4);padding:var(--space-4);overflow:hidden}.panel{min-width:0;min-height:20rem;max-height:calc(100vh - 6rem);overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:.75rem;display:flex;flex-direction:column}.panel h2{min-height:3.5rem;margin:0;padding:var(--space-4);border-bottom:1px solid var(--line);font-size:1rem}.panel-body{overflow:auto;padding:var(--space-4)}.canvas{min-width:20rem;min-height:30rem;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto;background:var(--surface);border:1px solid var(--line);border-radius:.75rem;overflow:hidden}.canvas-head{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border-bottom:1px solid var(--line)}.canvas-head strong{margin-right:auto}.canvas-head>.badge{margin-left:auto;white-space:nowrap}.scene-tabs,.scene-camera-controls{display:flex;align-items:center;gap:var(--space-2)}.scene-tabs button{min-width:4.5rem;max-width:8rem}.scene-tabs button[aria-selected=true]{color:var(--accent);background:var(--accent-soft);border-color:var(--accent);font-weight:700}.scene-view{position:relative;min-width:0;min-height:0;overflow:hidden}.scene-view[hidden],.scene-camera-controls[hidden]{display:none}.scene-view-3d{background:var(--surface-muted)}#scene-3d{position:absolute;inset:0;z-index:1;touch-action:none}.scene-view-2d{display:flex;flex-direction:column}.outline-stage-head{min-height:3.5rem;max-height:5rem;display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-2) var(--space-4);overflow:hidden;border-bottom:1px solid var(--line)}.outline-stage-head .hint{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.outline-actions{min-height:3rem;max-height:3rem;padding:var(--space-2) var(--space-4);overflow:hidden}#outline-host{flex:1;min-height:0;overflow:hidden}.scene-footer{min-height:3.5rem;max-height:5rem;border-top:1px solid var(--line);border-bottom:0}.scene-footer .hint{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.scene{position:relative;min-height:22rem;overflow:hidden;background:linear-gradient(145deg,#f8fafc,#e5ebf1)}.scene-webgl{width:100%;height:100%}.scene-webgl-error{display:grid;place-items:center;height:100%;padding:var(--space-4);color:var(--danger);background:var(--surface)}.scene-grid{position:absolute;inset:8%;border:2px solid #738398;background:repeating-linear-gradient(0deg,transparent 0 2.4rem,#d3dce5 2.45rem),repeating-linear-gradient(90deg,transparent 0 2.4rem,#d3dce5 2.45rem);transform:perspective(700px) rotateX(52deg) rotate(-6deg);transform-origin:center}.scene-floor,.scene-contour{position:absolute;inset:0;pointer-events:none}.scene-floor{background:color-mix(in srgb,var(--accent-soft) 75%,var(--surface));opacity:.85}.scene-contour{border:2px solid var(--accent);filter:drop-shadow(0 .2rem .2rem #26384a2e)}.scene-wall{position:absolute;height:.45rem;transform-origin:left center;background:var(--muted);opacity:.9;pointer-events:none}.scene-wall-open{background:var(--accent);opacity:.5}.scene-object{position:absolute;min-width:6rem;min-height:3.5rem;padding:var(--space-2);border:2px solid var(--accent);border-radius:.5rem;background:#d9a441;color:#261e0b;box-shadow:0 .25rem .5rem #26384a2e;cursor:grab;-webkit-user-select:none;user-select:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;z-index:2}.scene-object small{display:block;overflow:hidden;text-overflow:ellipsis;font-size:.7rem}.scene-object.selected{outline:3px solid #8dc6ed}.scene-object.locked{opacity:.65;cursor:not-allowed}.scene-object.invalid{border-color:var(--danger);box-shadow:0 0 0 3px #b4231840}.hint{color:var(--muted);font-size:.875rem;line-height:1.4}.stack{display:grid;gap:var(--space-3)}.row{display:flex;gap:var(--space-2);align-items:center}.row>*{min-width:0}.grow{flex:1}.object-item{display:flex;gap:var(--space-2);align-items:center;width:100%;padding:var(--space-3);text-align:left;border-radius:.5rem}.object-item.selected{border-color:var(--accent);background:var(--accent-soft)}.object-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{display:inline-flex;align-items:center;min-height:1.5rem;padding:0 var(--space-2);border-radius:999px;background:var(--surface-muted);color:var(--muted);font-size:.75rem}.badge.dirty{color:var(--warning);background:#fff4cc}.badge.error{color:var(--danger);background:#fee4e2}.badge.clean{color:var(--success);background:#dcfae9}.diagnostic{padding:var(--space-3);border-left:3px solid var(--danger);background:#fff5f4;overflow-wrap:anywhere}.diagnostic.warning{border-color:var(--warning);background:#fff9e8}.section{padding-bottom:var(--space-5);margin-bottom:var(--space-5);border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}label{display:grid;gap:var(--space-1);color:var(--muted);font-size:.78rem}input{width:100%;min-height:2.5rem;padding:0 var(--space-3);border:1px solid var(--line);border-radius:.5rem}.catalog-item{display:grid;grid-template-columns:1.25rem 1fr auto;align-items:center;gap:var(--space-2);text-align:left}.catalog-item small{color:var(--muted);font-size:.72rem}.catalog-swatch{width:1rem;height:1rem;border-radius:.25rem;border:1px solid var(--line)}.ai-panel{display:grid;gap:var(--space-3);min-width:0;min-height:18rem;max-height:42rem;overflow:hidden;padding:var(--space-3);border:1px solid var(--line);border-radius:.625rem;background:var(--surface-muted)}.ai-heading{display:flex;align-items:center;gap:var(--space-2);min-width:0}.ai-heading h3{margin:0 auto 0 0;font-size:.95rem}.ai-notice{margin:0;color:var(--warning);font-size:.72rem;line-height:1.35;overflow-wrap:anywhere}.ai-form,.ai-preview{display:grid;gap:var(--space-3);min-width:0;max-height:32rem;overflow:auto}.ai-field{display:grid;gap:var(--space-1);color:var(--muted);font-size:.75rem}.ai-field input,.ai-field textarea,.ai-field select{min-height:2.25rem;width:100%;resize:vertical}.ai-field textarea{min-height:4.5rem;padding:var(--space-2) var(--space-3)}.ai-summary{padding:var(--space-2);border:1px solid var(--line);border-radius:.5rem;background:var(--surface)}.ai-summary summary{cursor:pointer;font-size:.78rem}.ai-summary .hint{margin:var(--space-2) 0 0;overflow-wrap:anywhere}.ai-actions{display:flex;flex-wrap:wrap;gap:var(--space-2)}.ai-actions button{min-height:2.5rem;flex:1 1 8rem}.ai-diff{display:grid;gap:var(--space-2);max-height:10rem;overflow:auto;padding-left:1.25rem;margin:0}.ai-diff li{overflow-wrap:anywhere;font-size:.8rem}.ai-safe-text,.ai-warnings{max-height:8rem;overflow:auto;overflow-wrap:anywhere;white-space:pre-wrap;font-size:.8rem;line-height:1.35;margin:0}.ai-warnings{padding:var(--space-2);border-left:3px solid var(--warning);background:#fff9e8}.ai-warnings p{margin:var(--space-2) 0 0}.ai-error{padding:var(--space-2);border-left:3px solid var(--danger);background:#fff5f4;color:var(--danger);font-size:.78rem;overflow-wrap:anywhere}.ai-chat{display:grid;gap:var(--space-3);min-width:0;min-height:18rem;max-height:42rem;overflow:hidden;padding:var(--space-3);border:1px solid var(--line);border-radius:.625rem;background:var(--surface-muted)}.ai-chat-log{display:grid;gap:var(--space-2);min-height:0;max-height:24rem;overflow:auto;padding:var(--space-2);border:1px solid var(--line);border-radius:.5rem;background:var(--surface)}.ai-chat-message{display:grid;gap:var(--space-1);padding:var(--space-2);border-radius:.5rem;background:var(--surface-muted);font-size:.82rem;line-height:1.4}.ai-chat-message.user{justify-self:end;background:var(--accent-muted, #e8f0fe);max-width:85%}.ai-chat-message.assistant{justify-self:start;max-width:85%}.ai-chat-message.system{background:transparent;padding:var(--space-1) var(--space-2);color:var(--muted);font-size:.74rem}.ai-chat-tool-icon{flex:none;font-style:normal}.ai-chat-role{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}.ai-chat-text{overflow-wrap:anywhere;white-space:pre-wrap}.ai-chat-cursor{display:inline-block;width:.5em;height:1em;margin-left:.1em;vertical-align:text-bottom;background:currentColor;animation:ai-chat-pulse .9s ease-in-out infinite}@keyframes ai-chat-pulse{0%,to{opacity:.15}50%{opacity:1}}.ai-chat-form{display:grid;grid-template-columns:1fr auto;gap:var(--space-2);align-items:end}.ai-chat-form textarea{min-height:3rem;max-height:8rem;resize:vertical;padding:var(--space-2) var(--space-3)}.ai-chat-form button{min-height:2.5rem}.import-dialog{position:absolute;z-index:50;left:50%;top:var(--space-4);transform:translate(-50%);display:grid;gap:var(--space-3);width:min(30rem,calc(100% - 2 * var(--space-4)));min-width:min(18rem,calc(100% - 2 * var(--space-4)));max-width:30rem;min-height:8rem;max-height:min(18rem,calc(100% - 2 * var(--space-4)));overflow:auto;padding:var(--space-5);border:1px solid var(--line);border-radius:.75rem;background:var(--surface);box-shadow:0 .75rem 2rem var(--shadow-color)}.import-dialog .row{flex-wrap:wrap}@media(max-width:960px){body{overflow:auto}.shell{height:auto}.workspace{grid-template-columns:1fr 1fr;overflow:visible}.canvas{grid-column:1 / -1;grid-row:1;min-height:30rem}.panel{max-height:none}}@media(max-width:640px){.shell{grid-template-rows:auto 1fr;min-width:0}.topbar{flex-wrap:wrap;min-width:0;min-height:4rem;height:auto;padding:var(--space-3);gap:var(--space-2)}.topbar>.status{display:none}.topbar>.badge{flex:none}.brand{flex:1;min-width:0;margin-right:0}.toolbar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%;gap:var(--space-2)}.toolbar button{min-width:0;padding:0 var(--space-1);font-size:.8rem}.workspace{grid-template-columns:minmax(0,1fr);min-width:0;padding:var(--space-3)}.canvas{grid-column:auto;min-width:0;grid-template-rows:auto minmax(34rem,auto) auto}.canvas-head{flex-wrap:wrap;gap:var(--space-2);padding:var(--space-2)}.scene-camera-controls{flex:1 1 100%;justify-content:flex-end}.scene-camera-controls button:first-child{flex:1}.outline-stage-head{padding:var(--space-2)}.outline-stage-head button{flex:none}.scene-footer{min-height:3.5rem}}.shell{height:100dvh;min-height:0;grid-template-rows:auto minmax(0,1fr);overflow:hidden}.topbar{position:relative;z-index:30;min-height:4rem;max-height:11rem;gap:var(--space-3);overflow:visible}.brand{flex:none;margin-right:0;white-space:nowrap}.topbar .project-name{min-width:0;max-width:11rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .scene-tabs{margin-inline:auto}.topbar .toolbar{width:auto;flex:none;display:flex}.topbar .diagnostic-trigger{flex:none;min-height:2.5rem;max-width:10rem;border-color:transparent;white-space:nowrap}.mobile-panel-controls{display:none}.workspace{position:relative;display:block;min-width:0;min-height:0;padding:0;overflow:hidden}.canvas{position:absolute;inset:0;z-index:0;display:block;min-width:0;min-height:0;border:0;border-radius:0;overflow:hidden}.scene-view{position:absolute;inset:0;width:100%;height:100%}.scene-view-2d{display:block}#outline-host{position:absolute;inset:0;width:100%;height:100%}.panel{position:absolute;z-index:5;top:var(--space-4);bottom:auto;height:max-content;min-height:7rem;max-height:calc(100% - 2 * var(--space-4));width:19rem;min-width:15rem;max-width:19rem;box-shadow:0 .75rem 2rem #26384a20}.tools-panel{left:var(--space-4)}.properties-panel{right:var(--space-4)}.panel-body{flex:0 1 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.catalog-item{min-width:0;width:100%}.tools-panel .catalog-item>span:not(.catalog-swatch){min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tools-panel .catalog-item small{max-width:4.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tools-panel .section{margin-bottom:0;padding-bottom:0}.scene-camera-controls{position:absolute;z-index:3;top:var(--space-4);left:calc(19rem + var(--space-6));max-width:calc(100% - 40rem);padding:var(--space-2);border:1px solid var(--line);border-radius:.75rem;background:var(--surface);box-shadow:0 .5rem 1rem #26384a18}.scene-footer{position:absolute;z-index:3;bottom:var(--space-4);left:calc(19rem + var(--space-6));right:calc(19rem + var(--space-6));display:flex;align-items:center;justify-content:center;min-height:2.5rem;max-height:4rem;padding:var(--space-2) var(--space-3);border:0;background:transparent;box-shadow:none;overflow:hidden;pointer-events:none}.scene-footer .hint{margin:0;max-width:100%;text-align:center;white-space:normal;text-shadow:0 1px var(--surface)}.outline-stage-head{position:absolute;z-index:4;top:var(--space-4);left:calc(19rem + var(--space-6));right:calc(19rem + var(--space-6));min-height:3.5rem;max-height:4rem;border:1px solid var(--line);border-radius:.75rem;background:var(--surface);box-shadow:0 .5rem 1rem #26384a18}.outline-actions{position:absolute;z-index:5;top:5rem;left:calc(19rem + var(--space-6));gap:var(--space-2);border:1px solid var(--line);border-radius:.625rem;background:var(--surface)}.diagnostics-popover{position:absolute;z-index:40;top:calc(100% + var(--space-2));right:var(--space-5);display:grid;grid-template-rows:auto minmax(0,1fr);gap:var(--space-3);width:22rem;min-width:16rem;max-width:min(26rem,calc(100vw - 2rem));min-height:6rem;max-height:min(24rem,calc(100dvh - 6rem));padding:var(--space-4);border:1px solid var(--line);border-radius:.75rem;background:var(--surface);box-shadow:0 .75rem 2rem #26384a33;overflow:hidden}.diagnostics-popover strong{overflow:hidden;text-overflow:ellipsis}.diagnostics-popover .row button{min-width:2.5rem;padding:0;font-size:1.4rem}.diagnostics-list{display:grid;align-content:start;gap:var(--space-2);min-height:0;overflow:auto}.diagnostics-list .hint{margin:0}input[type=color]{padding:.2rem;cursor:pointer}.scene-view-2d .outline-editor{position:absolute;inset:0;display:block;width:100%;height:100%;min-width:0;min-height:0;max-width:none;max-height:none;border:0;border-radius:0}.scene-view-2d .outline-body{position:absolute;inset:0;display:block;width:100%;height:100%;max-height:none}.scene-view-2d .outline-canvas-wrap{position:absolute;inset:0;min-height:0}.scene-view-2d .outline-canvas{min-height:0}.scene-view-2d .outline-toolbar{position:absolute;z-index:4;top:5rem;left:calc(19rem + var(--space-6));width:18rem;min-width:14rem;max-width:20rem;min-height:3.5rem;max-height:7rem;flex-wrap:wrap;padding:var(--space-3);border:1px solid 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button{min-width:9rem;max-width:12rem;min-height:3rem;border-color:var(--accent);border-radius:999px;background:var(--accent);color:var(--surface);box-shadow:0 .5rem 1rem #26384a33}.ai-chat-launcher button:hover{background:var(--accent);color:var(--surface);filter:brightness(1.1)}.ai-chat-dock .ai-chat-window{display:flex;flex-direction:column;gap:0;height:100%;min-height:0;max-height:100%;padding:0;overflow:hidden}.ai-chat-header{flex:none;min-height:3.75rem;max-height:3.75rem;padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--line);background:var(--surface)}.ai-chat-avatar{flex:none;display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:.75rem;background:var(--accent-soft);color:var(--accent);font-size:1.2rem}.ai-chat-heading{display:grid;gap:var(--space-1);min-width:0}.ai-chat-heading h3{margin:0;overflow:hidden;color:var(--ink);font-size:.9rem;text-overflow:ellipsis;white-space:nowrap}.ai-chat-heading span{overflow:hidden;color:var(--muted);font-size:.7rem;text-overflow:ellipsis;white-space:nowrap}.ai-chat-header button{flex:none;min-height:2.25rem;max-width:7rem;padding-inline:var(--space-2);font-size:.72rem}.ai-chat-dock .ai-chat-log{flex:1 1 auto;display:grid;grid-template-columns:minmax(0,1fr);align-content:start;gap:var(--space-3);min-height:0;max-height:none;padding:var(--space-4) var(--space-3);border:0;border-radius:0;background:var(--chat-canvas)}.ai-chat-dock .ai-chat-message{min-width:0;max-width:88%;padding:var(--space-2) var(--space-3);border:1px solid var(--line);border-radius:.875rem;background:var(--chat-bubble);box-shadow:0 .1rem .25rem var(--shadow-color);overflow-wrap:anywhere}.ai-chat-dock .ai-chat-message.user{justify-self:end;border-color:var(--chat-outgoing);border-bottom-right-radius:.25rem;background:var(--chat-outgoing);color:var(--surface)}.ai-chat-dock .ai-chat-message.user .ai-chat-role{color:var(--surface);opacity:.75}.ai-chat-dock .ai-chat-message.assistant{justify-self:start;border-bottom-left-radius:.25rem;background:var(--chat-bubble)}.ai-chat-dock .ai-chat-message.system{justify-self:center;max-width:100%;padding:var(--space-1) var(--space-2);border:0;background:transparent;box-shadow:none;color:var(--muted);font-size:.72rem;text-align:center}.ai-chat-turn{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-2);min-width:0}.ai-chat-reasoning{justify-self:start;width:min(100%,20rem);min-width:0;max-width:100%;border:1px solid var(--line);border-radius:.75rem;background:var(--surface);color:var(--muted);font-size:.75rem;overflow:hidden}.ai-chat-reasoning summary{display:flex;align-items:center;gap:var(--space-2);min-height:2.5rem;max-height:3.5rem;padding:var(--space-2) var(--space-3);cursor:pointer;list-style-position:inside}.ai-chat-reasoning summary:hover{background:var(--accent-soft);color:var(--accent)}.ai-chat-reasoning summary:focus-visible{outline:3px solid var(--focus-ring);outline-offset:-3px}.ai-chat-reasoning summary span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai-chat-reasoning summary small{flex:none;font-size:.68rem}.ai-chat-activity-list{display:grid;gap:var(--space-2);min-height:0;max-height:12rem;overflow:auto;padding:var(--space-3);border-top:1px solid var(--line)}.ai-chat-activity{min-width:0;overflow-wrap:anywhere;line-height:1.4}.ai-chat-activity.reasoning{white-space:pre-wrap;color:var(--ink)}.ai-chat-activity.tool{display:flex;align-items:baseline;gap:var(--space-2);color:var(--muted)}.ai-chat-activity.tool.error{color:var(--danger)}.ai-chat-activity.tool.pending .ai-chat-tool-icon{animation:ai-chat-pulse 1.2s ease-in-out infinite}.ai-chat-dock .ai-chat-form{flex:none;display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-1);min-height:5.25rem;max-height:9rem;padding:var(--space-2) var(--space-3);border-top:1px solid var(--line);background:var(--surface)}.ai-chat-compose-control{display:flex;align-items:flex-end;gap:var(--space-2);min-width:0;min-height:2.75rem;max-height:6rem;padding:var(--space-1);border:1px solid var(--line);border-radius:1.25rem;background:var(--chat-input)}.ai-chat-compose-control:focus-within{border-color:var(--accent);outline:3px solid var(--focus-ring);outline-offset:1px}.ai-chat-dock .ai-chat-form textarea{flex:1;width:100%;min-width:0;min-height:2.15rem;max-height:5rem;resize:vertical;padding:var(--space-2);border:0;background:transparent;color:var(--ink);font-size:.82rem;line-height:1.3;outline:none}.ai-chat-dock .ai-chat-form textarea::placeholder{color:var(--muted)}.ai-chat-compose-control button{flex:none;display:grid;place-items:center;width:2.5rem;min-width:2.5rem;max-width:2.5rem;height:2.5rem;min-height:2.5rem;max-height:2.5rem;padding:0;border-color:var(--accent);border-radius:50%;background:var(--accent);color:var(--surface);font-size:1rem}.ai-chat-compose-control button:hover{background:var(--chat-outgoing);color:var(--surface);filter:brightness(1.1)}.ai-chat-compose-control button:focus-visible{outline-color:var(--focus-ring)}.ai-chat-compose-hint{min-height:.8rem;max-height:.8rem;overflow:hidden;color:var(--muted);font-size:.62rem;line-height:.8rem;text-align:center;white-space:nowrap}.ai-chat-dock .ai-error{margin:var(--space-2)}.workspace.chat-idle .properties-panel{bottom:auto;max-height:calc(100% - 7rem)}.workspace.chat-active .properties-panel{bottom:auto;min-height:0;max-height:calc(100% - min(23rem,calc(50% - var(--space-4))) - 3 * var(--space-4))}@media(max-width:1180px){.ai-chat-dock{right:var(--space-3);bottom:var(--space-3);max-height:calc(100% - 2 * var(--space-3))}.workspace.chat-active .ai-chat-dock{height:min(23rem,calc(100% - 2 * var(--space-3)));min-height:min(13rem,calc(100% - 2 * var(--space-3)))}.workspace.tools-open .ai-chat-dock,.workspace.properties-open .ai-chat-dock{display:none}.workspace.chat-idle .properties-panel,.workspace.chat-active .properties-panel{bottom:auto;max-height:calc(100% - 2 * var(--space-3))}}@media(max-width:560px){.ai-chat-dock{width:min(21rem,calc(100vw - 2 * var(--space-3)))}}@media(max-width:1180px){.workspace.properties-open .properties-panel .outline-panel{display:block}}@media(max-width:560px){.scene-footer{display:none}}.badge.warning{color:var(--warning);background:#fff4cc}@media(max-width:1180px){.scene-footer{display:none}}