:root{color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;--accent: #f4753f;--accent-hover: #dc5d28;--accent-soft: #fff0e981;--on-accent: #ffffff;--placement: #69d441;--placement-strong: #469c2c;--canvas: #f2f4fb;--grid-minor: #d9deeb;--grid-major: #b8c2d5;--connector: #64748b;--connector-hover: #8da2bb;--selection-hidden-edge: #7a3a20;--rotation-x: #d95752;--rotation-y: #3f9664;--rotation-z: #4478c9;--rotation-active: #9a6700;--light-sky: #ffffff;--light-ground: #718096;--light-key: #ffffff;--light-fill: #dbe7ff;--light-hemisphere-intensity: 1.4;--light-key-intensity: 2.1;--light-fill-intensity: .55;--surface: #fbfbfe;--surface-raised: #ffffff;--surface-muted: #f0f2f8;--surface-hover: #f4f6fd;--text: #111827;--text-secondary: #566176;--text-tertiary: #7b8598;--border: #d9deea;--border-strong: #bec7d8;--shadow: 17, 24, 39;--danger: #c93645;--danger-soft: #fff0f1;--brand-mark: #001624;--contrast-light: #ffffff;--contrast-dark: #000000;color:var(--text);background:var(--canvas)}:root[data-theme=dark]{color-scheme:dark;--accent: #3f63f4;--accent-hover: #5877f7;--accent-soft: #202c5a85;--placement: #69d441;--placement-strong: #87ee62;--canvas: #0c121d;--grid-minor: #202c3e;--grid-major: #34445d;--selection-hidden-edge: #20344d;--rotation-x: #ff766f;--rotation-y: #65d391;--rotation-z: #7297ff;--rotation-active: #f2c14e;--light-ground: #68758a;--light-hemisphere-intensity: 2.1;--light-key-intensity: 2.8;--light-fill-intensity: 0;--surface: #111925;--surface-raised: #182231;--surface-muted: #202a39;--surface-hover: #222e40;--text: #f5f7fc;--text-secondary: #b4bece;--text-tertiary: #8793a6;--border: #293548;--border-strong: #3a4960;--shadow: 0, 0, 0;--danger: #ff7280;--danger-soft: #3d2027;--brand-mark: 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var(--border);border-radius:18px;background:var(--surface);box-shadow:0 18px 55px rgba(var(--shadow),.16)}.fatal-card__mark{width:48px;height:48px;display:grid;place-items:center;border-radius:13px;color:var(--danger);background:var(--danger-soft);font-size:.78rem;font-weight:800}.fatal-card h1{margin:18px 0 8px;font-size:1.45rem}.fatal-card p{color:var(--text-secondary);line-height:1.55}.fatal-card__diagnostic code{-webkit-user-select:all;user-select:all}.fatal-card>div{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}@keyframes project-name-edit-in{0%{opacity:0;transform:scale(.97) translateY(-2px)}}.main-content{--parts-panel-width: 340px;min-height:0;flex:1;display:grid;grid-template-columns:minmax(0,1fr) 6px 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strong{color:var(--text-tertiary);font-size:.67rem;font-weight:750;letter-spacing:.045em;line-height:1.1;text-transform:uppercase}#hint-text{color:var(--text);font-size:.86rem;line-height:1.3;letter-spacing:-.006em}.hint-callout:after{content:"";position:absolute;width:12px;height:12px;background:var(--surface-raised);transform:rotate(45deg)}.hint-callout[data-pointer=up]:after{top:-7px;left:calc(var(--hint-pointer-offset) - 6px);border-top:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent);border-left:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent)}.hint-callout[data-pointer=right]:after{top:calc(var(--hint-pointer-offset) - 6px);right:-7px;border-top:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent);border-right:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent)}.hint-callout[data-pointer=down]:after{bottom:-7px;left:calc(var(--hint-pointer-offset) - 6px);border-right:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent);border-bottom:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent)}.hint-callout[data-pointer=left]:after{top:calc(var(--hint-pointer-offset) - 6px);left:-7px;border-bottom:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent);border-left:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent)}@keyframes hint-arrive{0%{opacity:0;transform:translateY(-4px)}}.canvas-toolbar{position:relative;z-index:8;width:100%;min-height:48px;flex:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:5px 10px;overflow:visible;border-bottom:1px solid var(--border);background:var(--surface)}.canvas-toolbar__tools,.canvas-toolbar__utilities{min-width:0;display:flex;align-items:center;gap:2px}.canvas-toolbar__tools{justify-content:flex-start}.canvas-toolbar__utilities{flex:none;justify-content:flex-end}.canvas-toolbar__divider,.canvas-subtoolbar__divider{width:1px;height:22px;flex:none;margin:0 4px;background:var(--border)}.canvas-tool{position:relative;display:flex}.canvas-toolbar__internal{display:none}.canvas-toolbar__commit--inactive{visibility:hidden;pointer-events:none}.canvas-toolbar [data-hint-active]{color:var(--accent);background:var(--accent-soft);animation:hint-target-pulse 1.5s ease-in-out infinite}@keyframes hint-target-pulse{50%{box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 12%,transparent)}}.canvas-toolbar .icon-button{width:36px;min-width:36px;min-height:36px;padding:0;border:0;border-radius:8px;background:transparent;box-shadow:none;color:var(--text-secondary)}.canvas-toolbar .icon-button:hover:not(:disabled){border-color:transparent;background:var(--surface-muted);color:var(--text)}.canvas-toolbar .icon-button:active:not(:disabled){transform:none;background:color-mix(in srgb,var(--accent) 13%,var(--surface))}.canvas-toolbar .icon-button[aria-pressed=true]{color:var(--accent);background:var(--accent-soft)}.canvas-toolbar 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.grid-toggle__on{display:grid}.theme-toggle__sun,.theme-toggle__moon{width:19px;height:19px;display:grid;place-items:center}.theme-toggle__moon{display:none}.theme-toggle__icon .icon{width:18px;height:18px}.toolbar-toggle input:checked+.theme-toggle__icon .theme-toggle__sun{display:none}.toolbar-toggle input:checked+.theme-toggle__icon .theme-toggle__moon{display:grid}.colour-popover{--custom-colour: #ff8800;width:286px;display:block;min-height:0;padding:15px;background:var(--surface)}.colour-popover__header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.colour-popover__eyebrow{display:block;margin-bottom:2px;color:var(--text-tertiary);font-size:.64rem;font-weight:720;letter-spacing:.075em;line-height:1;text-transform:uppercase}.colour-popover h2{margin:0;font-size:1rem;font-weight:700;letter-spacing:-.018em;line-height:1.25}.colour-popover__current{max-width:132px;overflow:hidden;color:var(--text-secondary);font-size:.72rem;line-height:1.2;text-align:right;text-overflow:ellipsis;white-space:nowrap}.colour-popover__label{margin:15px 0 8px;color:var(--text-tertiary);font-size:.69rem;font-weight:630;letter-spacing:.015em}.colour-swatches{display:grid;grid-template-columns:repeat(6,36px);gap:8px}.colour-swatch{position:relative;width:36px;min-width:36px;min-height:36px;padding:0;border:2px solid var(--surface-raised);border-radius:50%;background:var(--swatch);box-shadow:0 0 0 1px color-mix(in srgb,var(--text) 22%,transparent),inset 0 0 0 1px color-mix(in srgb,var(--contrast-light) 18%,transparent),0 2px 5px rgba(var(--shadow),.12);transition:transform .15s ease,box-shadow .15s ease}.colour-swatch:hover:not(:disabled){border-color:var(--surface-raised);background:var(--swatch);color:inherit;box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 70%,transparent),inset 0 0 0 1px color-mix(in srgb,var(--contrast-light) 22%,transparent),0 4px 9px rgba(var(--shadow),.17);transform:scale(1.06)}.colour-swatch:active:not(:disabled){transform:scale(.94)}.colour-swatch[data-selected]{box-shadow:0 0 0 2px var(--surface-raised),0 0 0 4px var(--accent),inset 0 0 0 1px color-mix(in srgb,var(--contrast-light) 18%,transparent)}.colour-swatch[data-selected]:after{content:"✓";position:absolute;right:-4px;bottom:-4px;width:16px;height:16px;display:grid;place-items:center;border:2px solid var(--surface-raised);border-radius:50%;color:var(--on-accent);background:var(--accent);font-size:9px;font-weight:800;line-height:1}.colour-popover__divider{height:1px;margin:15px 0 10px;background:var(--border)}.colour-custom{position:relative;min-height:52px;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:10px;margin:0 -6px -5px;padding:5px 7px;border-radius:11px;cursor:pointer}.colour-custom:hover{background:var(--surface-muted)}.colour-custom:has(input:focus-visible){outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:1px}.colour-custom input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.colour-custom__preview{width:36px;height:36px;display:grid;place-items:center;border:2px solid var(--surface-raised);border-radius:10px;color:color-mix(in srgb,var(--contrast-light) 90%,transparent);background:var(--custom-colour);box-shadow:0 0 0 1px color-mix(in srgb,var(--text) 20%,transparent),0 2px 5px rgba(var(--shadow),.12)}.colour-custom__preview .icon{width:15px;height:15px;stroke-width:2.2;filter:drop-shadow(0 1px 2px color-mix(in srgb,var(--contrast-dark) 45%,transparent))}.colour-custom__copy{min-width:0;display:grid;gap:2px}.colour-custom__copy strong{color:var(--text);font-size:.78rem;font-weight:650;line-height:1.15}.colour-custom__copy small{color:var(--text-tertiary);font-size:.66rem;line-height:1.15}.colour-custom output{color:var(--text-secondary);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.69rem;font-variant-numeric:tabular-nums;letter-spacing:-.025em}.decals-popover{width:318px;display:block;min-height:0;padding:15px}.decals-popover__header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.decals-popover__header h2{margin:0;font-size:1rem;font-weight:700;letter-spacing:-.018em;line-height:1.25}.decals-popover__header small{color:var(--text-tertiary);font-size:.65rem}.decals-popover__help{margin:10px 0;color:var(--text-secondary);font-size:.72rem;line-height:1.4}.decal-options{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.decal-option{min-width:0;min-height:66px;display:grid;grid-template-rows:38px auto;place-items:center;gap:3px;padding:5px 3px;border:1px solid var(--border);border-radius:9px;color:var(--text-secondary);background:var(--surface-muted)}.decal-option:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 45%,var(--border));color:var(--text);background:var(--surface-hover)}.decal-option[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.decal-option img{width:38px;height:38px;object-fit:contain;filter:drop-shadow(0 1px 1px rgba(var(--shadow),.22))}.decal-option span{width:100%;overflow:hidden;font-size:.59rem;line-height:1.1;text-align:center;text-overflow:ellipsis;white-space:nowrap}.decal-editor{display:grid;gap:9px;margin-top:12px;padding-top:11px;border-top:1px solid var(--border)}.decal-editor[hidden]{display:none}.decal-editor__title{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.decal-editor__title strong{font-size:.78rem}.decal-editor__title span{color:var(--text-tertiary);font-size:.65rem}.decal-editor label{display:grid;grid-template-columns:48px 1fr;align-items:center;gap:8px;color:var(--text-secondary);font-size:.7rem}.decal-editor input[type=range]{width:100%;accent-color:var(--accent)}.decal-scale-control{min-width:0;display:grid;gap:1px}.decal-scale-control__track{position:relative;display:block;height:20px}.decal-scale-control__track input{position:relative;z-index:1;margin:0}.decal-scale-default-marker{position:absolute;z-index:2;top:2px;left:calc(8px + (100% - 16px) * var(--decal-default-position, 0));width:2px;height:16px;border-radius:1px;pointer-events:none;transform:translate(-1px);background:var(--accent);box-shadow:0 0 0 1px var(--surface-raised)}.decal-scale-control output{color:var(--text-tertiary);font-size:.6rem;font-variant-numeric:tabular-nums;line-height:1.1}.decal-editor__actions{display:grid;grid-template-columns:1fr auto;gap:7px}.decal-editor__actions button{min-height:34px;padding:0 10px;font-size:.7rem}.decal-editor__actions button[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.decal-editor__actions .danger{color:var(--danger)}.workspace-canvas--decals{cursor:crosshair}@keyframes colour-popover-in{0%{opacity:0;transform:translateY(-5px) scale(.975)}}.error-status{position:absolute;z-index:9;top:18px;left:18px;width:min(440px,calc(100% - 164px));max-height:38%;overflow:auto;margin:0;padding:10px 12px;white-space:pre-wrap;border:1px solid var(--danger);border-left:4px solid var(--danger);border-radius:10px;color:var(--danger);background:color-mix(in srgb,var(--surface-raised) 88%,var(--danger-soft));box-shadow:0 9px 26px rgba(var(--shadow),.14)}.paint-cursor{position:absolute;z-index:3;width:46px;height:46px;margin:-23px;pointer-events:none;border:2px solid color-mix(in srgb,var(--text-secondary) 72%,transparent);border-radius:50%;background:color-mix(in srgb,var(--text-secondary) 9%,transparent)}.paint-cursor--painting{border-color:color-mix(in srgb,var(--placement) 78%,transparent);background:color-mix(in srgb,var(--placement) 15%,transparent)}.orientation-gizmo{z-index:7!important;filter:drop-shadow(0 5px 12px rgba(var(--shadow),.16))}.import-dialog{width:min(460px,calc(100vw - 32px));padding:0;border:0;border-radius:18px;color:var(--text);background:transparent;overflow:visible}.import-dialog::backdrop{background:#080e187a;-webkit-backdrop-filter:blur(5px) saturate(80%);backdrop-filter:blur(5px) saturate(80%)}.import-dialog__card{display:grid;grid-template-columns:50px minmax(0,1fr);gap:18px 15px;padding:24px;border:1px solid color-mix(in srgb,var(--border-strong) 76%,transparent);border-radius:18px;background:color-mix(in srgb,var(--surface-raised) 97%,transparent);box-shadow:0 24px 70px rgba(var(--shadow),.28),0 2px 8px rgba(var(--shadow),.1)}.import-dialog__mark{width:50px;height:50px;display:grid;place-items:center;border-radius:14px;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--surface-raised));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 20%,transparent)}.import-dialog__mark .icon{width:25px;height:25px;stroke-width:1.7}.import-dialog__copy{min-width:0;align-self:center}.import-dialog__eyebrow{display:block;margin-bottom:3px;color:var(--accent);font-size:.67rem;font-weight:780;letter-spacing:.075em;text-transform:uppercase}.import-dialog h2{margin:0;font-size:1.18rem;font-weight:740;letter-spacing:-.025em}.import-dialog__filename{margin:4px 0 0;overflow:hidden;color:var(--text-secondary);font-size:.8rem;text-overflow:ellipsis;white-space:nowrap}.import-dialog__progress-wrap{grid-column:1 / -1;display:grid;gap:11px;padding:15px;border:1px solid var(--border);border-radius:13px;background:var(--surface-muted)}.import-dialog__progress-copy{display:grid;gap:4px}.import-dialog__progress-copy strong{font-size:.84rem;font-weight:680}.import-dialog__progress-copy span{color:var(--text-secondary);font-size:.74rem;line-height:1.4}.import-dialog progress{width:100%;height:7px;overflow:hidden;border:0;border-radius:999px;background:color-mix(in srgb,var(--border-strong) 72%,transparent);accent-color:var(--accent)}.import-dialog progress::-webkit-progress-bar{border-radius:999px;background:color-mix(in srgb,var(--border-strong) 72%,transparent)}.import-dialog progress::-webkit-progress-value{border-radius:999px;background:var(--accent);transition:width .2s ease}.import-dialog progress::-moz-progress-bar{border-radius:999px;background:var(--accent)}.import-dialog__actions{grid-column:1 / -1;display:flex;justify-content:flex-end;gap:8px}.import-dialog__actions button{min-width:86px}.parts-panel__resize-handle{z-index:8;grid-column:2;grid-row:1;cursor:ew-resize;background:var(--border);touch-action:none}.parts-panel__resize-handle:hover,.parts-is-resizing .parts-panel__resize-handle{background:var(--accent)}.parts-panel{position:relative;min-width:0;grid-column:3;grid-row:1;overflow:hidden;background:var(--surface);border-left:1px solid var(--border)}.parts-menu{height:100%;display:flex;flex-direction:column}.parts-panel__busy{position:absolute;z-index:4;inset:0;display:grid;place-content:center;justify-items:center;gap:10px;padding:24px;color:var(--text-secondary);background:color-mix(in srgb,var(--surface) 86%,transparent);font-size:.82rem;text-align:center;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.parts-panel__busy[hidden]{display:none}.parts-panel__spinner{width:27px;height:27px;border:3px solid color-mix(in srgb,var(--accent) 22%,var(--border));border-top-color:var(--accent);border-radius:50%;animation:parts-panel-spin .72s linear infinite}@keyframes parts-panel-spin{to{transform:rotate(360deg)}}.parts-browse{min-height:0;height:100%;display:flex;flex-direction:column}.parts-panel__header{min-height:54px;display:flex;align-items:center;justify-content:space-between;padding:10px 14px 8px}.parts-panel__header h2{margin:0;font-size:1.12rem;font-weight:720;letter-spacing:-.02em}.parts-panel__header .icon-button{border-radius:10px;color:var(--text-secondary)}.parts-search{position:relative;display:block;margin:0 14px 8px;color:var(--text-tertiary)}.parts-search__icon{position:absolute;z-index:1;left:11px;top:50%;display:grid;place-items:center;pointer-events:none;transform:translateY(-50%)}.parts-search__icon .icon{width:17px;height:17px;stroke-width:2}.parts-search input{width:100%;min-height:42px;padding:0 2rem 0 2.35rem;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface-raised);color:var(--text)}.parts-search input::placeholder{color:var(--text-tertiary)}.parts-filter-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:.75rem;margin:0 14px 10px}.parts-filter-row label{min-width:0}.parts-filter-row select{width:100%;min-height:38px;padding-inline:.6rem 1.7rem;border:1px solid var(--border-strong);border-radius:9px;background:var(--surface-raised);color:var(--text)}.parts-result-count{margin:0;color:var(--text-tertiary);font-size:.72rem;white-space:nowrap}.parts-panel__content{flex:1;overflow:auto;padding:0 14px 14px;scrollbar-color:var(--border-strong) transparent}.parts-panel__content>#parts-retry{margin:8px auto;border-color:var(--border-strong)}.assembly-candidates{flex:none;margin:0 14px 10px;padding:9px;border:1px solid color-mix(in srgb,var(--accent) 30%,var(--border));border-radius:11px;background:color-mix(in srgb,var(--accent-soft) 42%,var(--surface-raised))}.assembly-candidates[hidden]{display:none}.assembly-candidates h3{margin:0 3px 7px;color:var(--text-secondary);font-size:.7rem;font-weight:720;letter-spacing:.035em;text-transform:uppercase}.assembly-candidates__list{display:grid;gap:4px}.assembly-candidate{width:100%;min-height:54px;display:grid;grid-template-columns:48px minmax(0,1fr);align-items:center;gap:9px;padding:5px 7px;border:0;border-radius:8px;color:var(--text);background:transparent;text-align:left}.assembly-candidate:hover:not(:disabled),.assembly-candidate:focus-visible{border-color:transparent;color:var(--text);background:var(--surface-hover)}.assembly-candidate[aria-pressed=true]{background:var(--accent-soft);box-shadow:inset 3px 0 0 var(--accent)}.assembly-candidate>span:last-child{min-width:0;display:grid;gap:2px}.assembly-candidate strong{overflow:hidden;font-size:.84rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.assembly-candidate small{color:var(--text-tertiary);font-size:.68rem}.assembly-candidate__icon{position:relative;width:42px;height:38px;display:block}.assembly-candidate__icon i{position:absolute;width:21px;height:17px;border:2px solid color-mix(in srgb,var(--assembly-color) 72%,var(--text));border-radius:4px;background:var(--assembly-color);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--contrast-light) 20%,transparent),0 2px 4px rgba(var(--shadow),.14)}.assembly-candidate__icon i:nth-child(1){left:2px;top:12px}.assembly-candidate__icon i:nth-child(2){left:18px;top:3px}.assembly-candidate__icon i:nth-child(3){left:20px;top:20px}.part-card{border-bottom:1px solid var(--border);transition:background-color .15s,opacity .15s}.part-card:first-child{border-top:1px solid var(--border)}.part-card:hover{background:var(--surface-hover)}.part-card__row{display:flex}.part-card__summary{width:100%;display:grid;grid-template-columns:56px minmax(0,1fr);align-items:center;gap:10px;min-height:68px;padding:6px;border:0;border-radius:8px;background:transparent;text-align:left}.part-card__summary:hover:not(:disabled){border-color:transparent;background:transparent;color:var(--text)}.part-card__preview{position:relative;width:56px;height:54px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:7px}.part-card img{width:56px;height:52px;object-fit:contain}.part-card__preview--loading{border:1px dashed var(--border-strong);background:linear-gradient(110deg,var(--surface-muted) 25%,var(--surface-raised) 42%,var(--surface-muted) 59%);background-size:220% 100%;animation:part-preview-loading 1.4s ease-in-out infinite}.part-card__preview-image--loading{opacity:0}.part-card__preview-status{position:absolute;inset:auto 2px 5px;color:var(--text-tertiary);font-size:.56rem;font-weight:650;letter-spacing:.01em;text-align:center}.part-card__preview--error{border:1px dashed var(--danger);background:var(--surface-muted)}@keyframes part-preview-loading{to{background-position:-220% 0}}.part-card__copy{min-width:0;display:grid;gap:2px}.part-card strong{display:-webkit-box;overflow:hidden;color:var(--text);font-size:.88rem;font-weight:650;letter-spacing:-.008em;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-height:1.2}.part-card small{display:block;overflow:hidden;color:var(--text-tertiary);font-size:.69rem;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.part-card--selected .part-card__summary{background:var(--accent-soft);box-shadow:inset 3px 0 0 var(--accent)}.pending-part{flex:none;margin:0 14px 8px;border:1px solid color-mix(in srgb,var(--accent) 42%,var(--border));border-radius:10px;overflow:hidden}.pending-part .part-card{border:0}.pending-part .part-card__summary{min-height:62px}.part-card--pending .part-card__summary{background:color-mix(in srgb,var(--accent-soft) 76%,var(--surface-raised));box-shadow:inset 3px 0 0 var(--accent)}.part-card__components{margin-left:22px;padding-left:8px;border-left:1px solid var(--border-strong)}.part-card__components .part-card:first-child{border-top:0}.part-card--component .part-card__summary{grid-template-columns:48px minmax(0,1fr);min-height:60px}.part-card--component .part-card__preview{width:48px;height:46px}.part-card--component img{width:48px;height:44px}.parts-panel__status{padding:10px 6px;color:var(--text-secondary);font-size:.82rem}.parts-panel__status--error{color:var(--danger)}.parts-unavailable{position:absolute;z-index:2;inset:0;display:grid;place-items:center;padding:28px;color:var(--text-secondary);background:var(--surface);text-align:center}.parts-unavailable h2{margin:0 0 5px;color:var(--text);font-size:1rem;letter-spacing:-.015em}.parts-unavailable p{max-width:230px;margin:0;font-size:.84rem;line-height:1.4}.placement-panel{min-height:0;height:100%;display:flex;flex-direction:column;padding:10px 14px 14px;overflow-y:auto}.placement-panel[hidden]{display:none}.placement-panel__back{min-height:38px;display:flex;align-items:center;gap:7px;align-self:stretch;padding:5px 7px;border:0;border-radius:8px;color:var(--text-secondary);background:transparent;text-align:left}.placement-panel__back:hover:not(:disabled){border-color:transparent;color:var(--text);background:var(--surface-muted)}.placement-panel__back .icon{width:17px;height:17px}.placement-part{display:grid;grid-template-columns:64px minmax(0,1fr);align-items:center;gap:10px;margin:6px 0 10px;padding:8px;border:1px solid var(--border);border-radius:11px;background:var(--surface-raised)}.placement-part img{width:64px;height:58px;object-fit:contain}.placement-part span{min-width:0;display:grid;gap:3px}.placement-part strong{overflow:hidden;font-size:.9rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.placement-part small{overflow:hidden;color:var(--text-tertiary);font-size:.69rem;text-overflow:ellipsis;white-space:nowrap}.placement-surface-nav{display:grid;grid-template-columns:34px minmax(0,1fr) 34px;align-items:center;gap:6px;margin-bottom:8px}.placement-surface-nav strong{overflow:hidden;font-size:.76rem;font-weight:690;text-align:center;text-overflow:ellipsis;text-transform:capitalize;white-space:nowrap}.placement-surface-nav button{min-width:34px;min-height:34px;padding:0;border-radius:8px}.placement-surface-nav .icon{width:17px;height:17px}.placement-selector-wrap{min-height:180px;flex:1;overflow:hidden;border:1px solid var(--border-strong);border-radius:12px;background:color-mix(in srgb,var(--canvas) 86%,var(--surface))}.placement-selector{width:100%;height:100%;min-height:180px;display:block}.placement-surface-outline{fill:color-mix(in srgb,var(--surface-raised) 58%,transparent);stroke:color-mix(in srgb,var(--text-tertiary) 48%,var(--border));stroke-width:.055;vector-effect:non-scaling-stroke;pointer-events:none}.placement-region{fill:transparent;stroke:transparent;stroke-width:.055;vector-effect:non-scaling-stroke;cursor:pointer;outline:none;transition:fill .12s ease,stroke .12s ease}.placement-region:hover,.placement-region:focus-visible{fill:color-mix(in srgb,var(--placement) 8%,transparent);stroke:color-mix(in srgb,var(--placement) 58%,transparent)}.placement-region--selected{fill:color-mix(in srgb,var(--placement) 4%,transparent)}.placement-region--coincident{pointer-events:none}.placement-region--invalid:hover,.placement-region--invalid:focus-visible{fill:color-mix(in srgb,var(--danger) 7%,transparent);stroke:color-mix(in srgb,var(--danger) 58%,transparent)}.placement-connector{fill:color-mix(in srgb,var(--text-tertiary) 18%,transparent);stroke:color-mix(in srgb,var(--text-tertiary) 62%,transparent);stroke-width:.035;vector-effect:non-scaling-stroke;pointer-events:none}.placement-connector--axle,.placement-connector--axle_hole{stroke-width:.06}.placement-candidate{opacity:.78;pointer-events:none;transition:opacity .12s ease}.placement-candidate--interactive{pointer-events:visiblePainted;cursor:pointer;outline:none}.placement-candidate--interactive:focus-visible circle{stroke:var(--placement);stroke-width:.13}.placement-candidate circle{fill:color-mix(in srgb,var(--text-tertiary) 10%,transparent);stroke:color-mix(in srgb,var(--text-tertiary) 72%,transparent);stroke-width:.055;vector-effect:non-scaling-stroke;transition:fill .12s ease,stroke .12s ease,stroke-width .12s ease}.placement-candidate--hovered{opacity:1}.placement-candidate--hovered circle{fill:color-mix(in srgb,var(--placement) 38%,transparent);stroke:var(--placement);stroke-width:.11}.placement-candidate--invalid circle{fill:color-mix(in srgb,var(--danger) 16%,transparent);stroke:var(--danger)}.placement-candidate--invalid.placement-candidate--hovered circle{fill:color-mix(in srgb,var(--danger) 36%,transparent)}.placement-candidate--selected{opacity:1}.placement-candidate--selected circle{fill:color-mix(in srgb,var(--placement) 56%,transparent);stroke:var(--placement);stroke-width:.13}.placement-selector--previewing .placement-candidate:not(.placement-candidate--hovered){opacity:.38}.placement-selector--previewing .placement-candidate--selected:not(.placement-candidate--hovered) circle{fill:color-mix(in srgb,var(--text-tertiary) 12%,transparent);stroke:color-mix(in srgb,var(--text-tertiary) 68%,transparent);stroke-width:.06}.placement-message{min-height:2.6em;margin:auto 2px 6px;padding-top:8px;color:var(--text-secondary);font-size:.75rem;line-height:1.3}.placement-message--invalid{color:var(--danger)}.placement-depth{display:grid;gap:8px;padding:10px 0;border-top:1px solid var(--border)}.placement-depth[hidden]{display:none}.placement-depth header{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.placement-depth header span{color:var(--text-secondary);font-size:.75rem;font-weight:650}.placement-depth__value{display:flex;align-items:center;gap:5px;color:var(--text-secondary);font-size:.72rem;font-weight:650}.placement-depth__value input{width:66px;padding:5px 6px;border:1px solid var(--border);border-radius:6px;background:var(--surface-raised);color:var(--text);font:inherit;font-variant-numeric:tabular-nums;text-align:right}.placement-depth__value input:focus{border-color:var(--accent);outline:2px solid color-mix(in srgb,var(--accent) 28%,transparent);outline-offset:1px}.placement-depth input[type=range]{width:100%;accent-color:var(--accent);cursor:ew-resize}.placement-depth__actions{display:grid;grid-template-columns:74px minmax(0,1fr) 74px;align-items:center;gap:8px}.placement-depth__actions button{min-height:36px;display:flex;align-items:center;justify-content:center;gap:5px;padding:6px 9px;border-radius:8px}.placement-depth__actions button .icon{width:16px;height:16px}.placement-depth__actions small{overflow:hidden;color:var(--text-tertiary);font-size:.66rem;line-height:1.25;text-align:center;text-overflow:ellipsis}.placement-orientation{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:8px 0;border-top:1px solid var(--border)}.placement-orientation[hidden]{display:none}.placement-orientation>span{color:var(--text-secondary);font-size:.75rem;font-weight:650}.placement-orientation>div{display:flex;gap:6px}.placement-orientation button{min-width:38px;min-height:36px;padding:6px;border-radius:8px}.placement-orientation .asset-icon{width:19px;height:19px}.placement-orientation label{grid-column:1 / -1}.placement-orientation input[type=range]{width:100%;accent-color:var(--accent)}.placement-actions{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;padding-top:8px}.placement-actions button{min-height:42px;border-radius:9px}@media(max-width:920px){.brand__logo{width:52px}.brand__product{display:none}}@media(max-width:820px){.top-bar{height:auto;min-height:58px;flex-wrap:wrap;gap:.2rem;padding:6px 8px}.top-bar button{min-height:36px}.brand{height:38px}.brand__logo{width:48px;height:30px}.project-actions{padding-inline:.15rem}.project-title{order:2;flex:1 1 160px;max-width:none;padding-left:.2rem}.main-content{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) min(42vh,360px)}.parts-panel__resize-handle{display:none}.parts-panel{grid-column:1;grid-row:2;border-left:0;border-top:1px solid var(--border)}.parts-panel__header{padding-block:8px}.parts-panel__content{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}.part-card{margin:0}.hint-callout{max-width:min(270px,calc(100% - 24px))}.error-status{top:12px;left:10px;width:calc(100% - 135px)}.canvas-toolbar{flex-wrap:wrap;justify-content:flex-start;gap:4px 8px;overflow:visible}.canvas-toolbar__tools{flex:1 1 100%}.canvas-toolbar__utilities{margin-left:auto}.canvas-subtoolbar{max-width:calc(100vw - 20px);flex-wrap:wrap}}@media(max-width:560px){.project-title{display:none}.draft-status{min-width:38px;width:38px;overflow:hidden;padding:0 10px;color:transparent}.draft-status:before{margin-right:20px;color:var(--text-tertiary)}.draft-status[data-state=saving]:before{color:var(--accent)}.draft-status[data-state=saved]:before{color:var(--placement)}.draft-status[data-state=error]:before{color:var(--danger)}.account-button{max-width:86px;padding-inline:7px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important;transition:none!important}.hint-callout{box-shadow:0 0 0 3px color-mix(in srgb,var(--placement) 28%,transparent)}}