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8px;font-size:12px;display:flex}.atelier-marker-list button:hover{background:var(--sy-hover)}.atelier-marker-list p{color:var(--sy-text-3);margin:0;padding:8px;font-size:12px}.shop-brand{white-space:nowrap;align-items:center;gap:10px;min-width:0;display:flex}.shop-brand-logo{color:inherit;align-items:center;gap:8px;text-decoration:none;display:flex}.shop-brand-logo svg{flex-shrink:0;display:block}.shop-brand-name{font-family:var(--font-display,inherit);letter-spacing:-.02em;align-items:center;gap:7px;font-size:1.02rem;font-weight:700;display:inline-flex}.shop-brand-app{border-radius:999px;padding:1px 9px;font-size:.74rem;font-weight:600}.shop-brand-back{border-radius:999px;align-items:center;gap:5px;padding:3px 11px 3px 9px;font-size:.78rem;font-weight:600;text-decoration:none;transition:border-color .12s,color .12s,background-color .12s;display:inline-flex}.shop-brand--maker{color:#f4f1ea}.shop-brand--maker .shop-brand-initial{background:linear-gradient(100deg,#f5921e,#e8566b);color:#0000;-webkit-background-clip:text;background-clip:text}.shop-brand--maker .shop-brand-tag{font-family:var(--font-mono,ui-monospace, monospace);letter-spacing:.14em;text-transform:uppercase;color:#c9a273;font-size:.64rem;font-weight:500}.shop-brand--maker .shop-brand-app{font-family:var(--font-mono,ui-monospace, monospace);color:#f4f1ea;border:1px solid #2f333b;font-weight:500}.shop-brand--maker .shop-brand-back{color:#f4f1ea;border:1.5px dashed #6b5636}.shop-brand--maker .shop-brand-back:hover{color:#f5921e;border-style:solid;border-color:#f5921e}.shop-brand--insert{color:#1d2620}.shop-brand--insert .shop-brand-name em{color:#e0532f;font-style:normal}.shop-brand--insert .shop-brand-app{letter-spacing:.06em;text-transform:uppercase;background:#f4b740;border:1.5px solid #1d2620;font-size:.68rem;font-weight:700}.shop-brand--insert .shop-brand-back{color:#1d2620;background:#fffaf1;border:2px solid #1d2620;border-radius:12px;box-shadow:2px 2px #1d2620}.shop-brand--insert .shop-brand-back:hover{background:#f4b740}:root{--bg:#f7f4ee;--bg-elevated:#fdfbf7;--bg-panel:#fdfbf7;--bg-input:#fff;--bg-muted:#f0ebe1;--border:#e4ddd0;--border-strong:#d2c8b6;--text:#16150f;--text-muted:#6f6a60;--accent:#f5921e;--accent-rgb:245 146 30;--accent-strong:#e07f0c;--accent-muted:#fdebd3;--accent-text:#16150f;--accent-ink:#a8560a;--maker-grad:linear-gradient(100deg, #f5921e, #e8566b);--night:#0c0d10;--error:#c0262d;--warning:#b45309;--ok:#059669;--diagram-stroke:#6f6a60;--diagram-face:#f0ebe1;--diagram-top:#e4ddd0;--diagram-side:#d2c8b6;--axis-x:#e11d48;--axis-y:#059669;--axis-h:#2563eb;--axis-active:#f5921e;--radius:8px;--shadow:0 4px 16px #16150f14;--font:"Kumbh Sans Variable", "Segoe UI", system-ui, sans-serif;--font-display:"Kumbh Sans Variable", "Segoe UI", system-ui, sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, monospace;--panel:var(--bg-elevated);--panel-2:var(--bg-muted);--text-dim:var(--text-muted)}:root .atelier-panel{--sy-bg:var(--bg);--sy-panel:var(--bg-panel);--sy-hover:var(--bg-muted);--sy-border:var(--border);--sy-border-2:var(--border-strong);--sy-text:var(--text);--sy-text-2:#3b3830;--sy-text-3:var(--text-muted);--sy-input-border:var(--border-strong);--sy-accent:var(--accent);--sy-accent-hover:var(--accent-strong);--sy-accent-muted:var(--accent-muted);--sy-danger:var(--error)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}a{color:var(--accent-ink)}.sidebar button,.modal-card button{font:inherit;color:var(--text);background:var(--bg-input);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:6px 12px;transition:background .15s,border-color .15s}.sidebar button:hover:not(:disabled),.modal-card button:hover:not(:disabled){background:var(--bg-muted);border-color:var(--border-strong)}.sidebar button:disabled,.modal-card button:disabled{opacity:.45;cursor:default}.sidebar button.primary{background:var(--maker-grad);color:var(--accent-text);border-color:#0000;font-weight:600}.sidebar button.primary:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong)}input,select,textarea{font:inherit;color:var(--text);background:var(--bg-input);border:1px solid var(--border);border-radius:8px;padding:6px 10px}input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none}input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}.muted{color:var(--text-muted)}.error-text{color:var(--error)}.app{flex-direction:row;height:100%;min-height:0;display:flex}.app-main{flex-direction:column;flex:1;min-width:0;display:flex}.workspace{flex:1;min-height:0;display:flex}.viewport{background:var(--bg);flex:1;min-width:0;position:relative;overflow:hidden}.panel-slot{flex-shrink:0;min-width:0;display:flex}.sidebar{background:var(--panel);flex:1;min-width:0;padding:14px;overflow-y:auto}.panel-resizer{cursor:col-resize;background:var(--border);flex-shrink:0;width:5px;transition:background .15s}.panel-resizer:hover{background:var(--accent)}.ribbon{background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0}.ribbon-top{--text:#f4f1ea;--text-muted:#a49e92;--text-dim:#a49e92;--panel:#17191f;--panel-2:#1d2027;--bg-elevated:#17191f;--bg-muted:#1d2027;--bg-input:#17191f;--border:#2f333b;--border-strong:#3a3f48;background:var(--night);min-height:44px;color:var(--text);border-bottom:1px solid #23262d;align-items:center;gap:4px;padding:7px 12px;display:flex}.ribbon-top .shop-brand{margin-right:10px}.project-name-wrap{min-width:8rem;max-width:min(42rem,100% - 22rem);font:inherit;letter-spacing:.01em;align-self:center;align-items:center;margin-right:8px;font-weight:600;display:inline-grid}.project-name-wrap:after{content:attr(data-value) " ";visibility:hidden;white-space:pre;font:inherit;font-weight:inherit;letter-spacing:inherit;border:1px solid #0000;grid-area:1/1;padding:4px 10px}.project-name{width:0;min-width:100%;color:var(--text);font:inherit;font-weight:inherit;letter-spacing:inherit;background:0 0;border:1px solid #0000;border-radius:6px;grid-area:1/1;padding:4px 10px}.project-name::placeholder{color:var(--text-dim);font-weight:500}.project-name:hover{background:var(--panel-2);border-color:var(--border)}.project-name:focus{background:var(--panel-2);border-color:var(--accent);outline:none}.ribbon-top-right{align-items:center;gap:8px;margin-left:auto;padding-left:8px;display:flex}.box-chip{color:var(--text-dim);font-variant-numeric:tabular-nums;background:var(--panel-2);border:1px solid var(--border);white-space:nowrap;border-radius:6px;align-items:center;gap:5px;padding:4px 8px;font-size:.78rem;display:inline-flex}.ribbon-body{background:var(--panel-2);align-items:stretch;gap:0;min-height:72px;padding:6px 10px 4px;display:flex;overflow-x:auto}.ribbon-body-end{border-left:1px solid var(--border);margin-left:auto;padding-left:10px;display:flex}.ribbon-body-end .tool-group{border-right:none;padding-right:0}.tool-group{border-right:1px solid var(--border);flex-direction:column;align-items:stretch;padding:0 10px 2px;display:flex}.tool-group:last-of-type{border-right:none}.tool-group-body{flex:1;align-items:stretch;gap:4px;display:flex}.tool-group-title{text-align:center;font-family:var(--font-mono);color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase;margin-top:2px;padding-top:2px;font-size:.68rem}.tool-btn{min-width:56px;color:var(--text);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:6px 8px;transition:background .12s,border-color .12s,color .12s;display:flex}.tool-btn:hover:not(:disabled){background:rgb(var(--accent-rgb) / .08);border-color:rgb(var(--accent-rgb) / .3)}.tool-btn:disabled{opacity:.4;cursor:default}.tool-btn-active{background:rgb(var(--accent-rgb) / .12);border-color:var(--accent-ink);color:var(--accent-ink)}.tool-btn-primary{background:var(--maker-grad);color:var(--accent-text);border-color:#0000;font-weight:600}.tool-btn-primary:hover:not(:disabled){background:var(--maker-grad);filter:brightness(1.06);border-color:#0000}.tool-btn-danger:hover:not(:disabled){border-color:var(--error);color:var(--error);background:#dc262614}.tool-btn-icon{justify-content:center;align-items:center;height:24px;display:flex;position:relative}.tool-btn-label{white-space:nowrap;font-size:.72rem;line-height:1.1}.tool-btn-hint{color:var(--accent-ink);white-space:nowrap;font-size:.62rem;font-weight:600;line-height:1.1}.lang-switch{border:1px solid var(--border);background:var(--bg-muted);border-radius:999px;display:inline-flex;overflow:hidden}.lang-switch button{letter-spacing:.04em;color:var(--text-muted);background:0 0;border:none;border-radius:0;padding:4px 10px;font-size:12px;font-weight:600}.lang-switch button:hover:not(:disabled){background:var(--bg-elevated);border:none}.lang-switch button.active{background:var(--accent);color:var(--accent-text)}.cloud-status{border:1px solid var(--border);background:var(--panel-2);color:var(--text-dim);white-space:nowrap;cursor:pointer;border-radius:6px;align-items:center;gap:5px;padding:4px 8px;font-size:.78rem;font-weight:600;display:inline-flex}.cloud-status:hover:not(:disabled){border-color:var(--accent)}.cloud-status-off,.cloud-status-idle{color:var(--text-muted)}.cloud-status-dirty{color:#b45309;background:#fffbeb;border-color:#f59e0b}.cloud-status-saved{color:#047857;background:#ecfdf5;border-color:#6ee7b7}.hint{color:var(--text-dim);margin:0 0 10px;font-size:.85rem;line-height:1.45}@keyframes pulse{50%{opacity:.3}}.chip{color:var(--text-muted);background:var(--bg-elevated);border-radius:999px;padding:5px 14px;font-size:13px}.chip.active{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}.empty-state{color:var(--text-muted);text-align:center;padding:48px 0}.warnings{flex-direction:column;gap:6px;margin-top:10px;display:flex}.warning{border-radius:8px;padding:7px 12px;font-size:13px}.warning.error{color:var(--error);background:#fef2f2;border:1px solid #fecaca}.warning.warning,.warning.warn{color:#92400e;background:#fffbeb;border:1px solid #fde68a}.plan-notice{background:var(--accent-muted);color:var(--accent-ink);border:1px solid #fdba74;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;padding:8px 12px;font-size:13px;display:flex}.plan-notice.locked{color:#1e40af;background:#eff6ff;border-color:#93c5fd}.plan-notice button{flex:none}.plan-badge{border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:650}.plan-badge.orbit{background:var(--accent-muted);color:var(--accent-ink);border-color:#fdba74}.plan-badge.parametric{background:var(--bg-muted)}.plan-card .param-group-body{padding-top:14px}.plan-panel-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.plan-panel-list button{text-align:left;width:100%;padding:6px 10px;font-size:13px}.plan-panel-list button.active{border-color:var(--accent);background:var(--accent-muted);color:var(--accent-strong);font-weight:650}.plan-measure{flex-direction:column;gap:2px;margin:8px 0 0;font-size:13px;display:flex}.plan-measure span{color:var(--text-muted)}.plan-reader .svg-layer g[data-panel]{cursor:pointer}.plan-reader .svg-layer g[data-panel]:hover path{stroke:var(--accent);stroke-width:.45px}.plan-reader .svg-layer g[data-panel].is-selected path{stroke:#2563eb;stroke-width:.5px}.chip-row{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.chip-row .chip{margin:0}.onglet-cards{grid-template-columns:1fr 1fr;gap:6px;display:grid}.onglet-cards.cols-3{grid-template-columns:1fr 1fr 1fr}.onglet-card{text-align:left;background:var(--panel,#fff);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:8px;flex-direction:column;align-items:flex-start;gap:1px;padding:7px 8px;display:flex}.onglet-card:hover{border-color:var(--accent);background:rgb(var(--accent-rgb) / .06)}.onglet-card.active{border-color:var(--accent);background:rgb(var(--accent-rgb) / .12);box-shadow:inset 0 0 0 1px var(--accent)}.onglet-card:disabled{opacity:.45;cursor:not-allowed}.onglet-card:disabled:hover{border-color:var(--border);background:var(--panel,#fff)}.onglet-card-title{font-size:12.5px;font-weight:650}.onglet-card-hint{color:var(--text-muted,#6b7280);font-size:10.5px;line-height:1.3}.check-row{cursor:pointer;color:var(--text);align-items:flex-start;gap:8px;margin:10px 0 4px;display:flex}.check-row input{accent-color:var(--accent);margin-top:3px}.check-row-title{font-size:13px;font-weight:650;display:block}.check-row-help{color:var(--text-muted);font-size:11px;line-height:1.35;display:block}.div-mode-cards{grid-template-columns:1fr 1fr 1fr}.div-stepper-row{grid-template-columns:1fr 1fr;gap:8px;display:grid}.div-preview{border:1px dashed var(--border);border-radius:8px;flex-direction:column;gap:3px;padding:6px;display:flex}.div-preview-row{gap:3px;display:flex}.div-preview-row span{background:rgb(var(--accent-rgb) / .12);border:1px solid rgb(var(--accent-rgb) / .35);border-radius:3px;flex:1;height:18px}.div-cells{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.div-cell{border:1px solid var(--border);background:var(--panel,#fff);border-radius:8px;align-items:center;gap:4px;padding:2px 4px 2px 6px;display:inline-flex}.div-cell input{background:0 0;border:none;width:56px;padding:4px 0}.div-cell span{color:var(--text-muted);font-size:11px}.div-cell-remove{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:14px}.div-cell-remove:hover{color:#b91c1c}.field-help.warn{color:#b45309}.params-form{flex-direction:column;gap:12px;display:flex}.param-group{background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 1px 2px #1824380a}.param-group summary{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;padding:12px 14px;font-weight:650;list-style:none;display:flex}.param-group summary:before{display:none}.param-group summary:after{content:"";border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);flex:none;width:7px;height:7px;margin-left:auto;transition:transform .16s;transform:rotate(45deg)}.param-group[open] summary:after{margin-top:4px;transform:rotate(-135deg)}.param-group summary::-webkit-details-marker{display:none}.param-group-body{flex-direction:column;gap:14px;padding:2px 14px 16px;display:flex}.side-section-icon{background:var(--accent-muted);width:30px;height:30px;color:var(--accent-strong);border-radius:8px;flex:none;place-items:center;padding:5px;display:grid}.side-section-title{min-width:0}.measure-block{flex-direction:column;gap:14px;display:flex}.measure-block .dimension-diagram{background:var(--bg-muted);border:none;border-radius:10px;justify-content:center;gap:0;padding:14px 12px 10px;overflow:hidden}.measure-block .dimension-diagram svg{width:210px;height:auto;margin:0 auto;display:block}.measure-list{flex-direction:column;gap:10px;display:flex}.measure-row{flex-direction:column;gap:5px;display:flex}.measure-row.is-locked .num-stepper{opacity:.55}.measure-row.is-locked input:disabled{cursor:not-allowed}.measure-list .measure-row{flex-direction:row;align-items:center;gap:12px}.measure-list .measure-row .num-stepper{flex:1;min-width:0}.measure-label{align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex}.measure-list .measure-label{flex:none;width:118px}.axis-chip{letter-spacing:0;color:#fff;background:var(--axis-x);border-radius:6px;place-items:center;width:20px;height:20px;font-size:11px;font-weight:800;display:inline-grid}.axis-y .axis-chip{background:var(--axis-y)}.axis-h .axis-chip{background:var(--axis-h)}.measure-summary{color:var(--text-muted);margin:0;font-size:12px}.num-stepper{border:1px solid var(--border);background:var(--bg-input);border-radius:9px;align-items:stretch;width:100%;display:flex;overflow:hidden}.num-stepper:focus-within{border-color:var(--accent)}.num-stepper input[type=number]{text-align:center;font-variant-numeric:tabular-nums;appearance:textfield;border:none;border-radius:0;flex:1;min-width:0;max-width:none;font-weight:600}.num-stepper input[type=number]::-webkit-inner-spin-button{appearance:none;margin:0}.num-stepper input[type=number]::-webkit-outer-spin-button{appearance:none;margin:0}.num-stepper .input-unit{background:0 0;border:none;border-radius:0;height:auto;min-height:34px}.num-step{width:34px;color:var(--text-muted);background:0 0;border:none;border-radius:0;flex:none;padding:0;font-size:16px;line-height:1}.app-main .num-step:hover:not(:disabled){background:var(--bg-muted);color:var(--text);border:none}.field-glyph{width:18px;height:18px;color:var(--text-muted);place-items:center;display:grid}.choice-cards{grid-template-columns:1fr 1fr;gap:8px;display:grid}.choice-cards.cols-3{grid-template-columns:1fr 1fr 1fr}.choice-card{text-align:left;background:var(--bg-muted);color:var(--text);cursor:pointer;border:1px solid #0000;border-radius:10px;flex-direction:column;align-items:stretch;gap:4px;padding:8px 8px 9px;display:flex}.choice-card:hover:not(:disabled){border-color:var(--accent);background:rgb(var(--accent-rgb) / .06)}.choice-card.active{border-color:var(--accent);background:var(--accent-muted);box-shadow:inset 0 0 0 1px var(--accent)}.choice-card:disabled{opacity:.42;cursor:not-allowed}.choice-card-draw{height:42px;color:var(--text);place-items:center;display:grid}.choice-draw{width:100%;height:40px}.choice-card-title{font-size:12.5px;font-weight:700}.choice-card-hint{color:var(--text-muted);font-size:10.5px;line-height:1.3}.choice-cards.cols-3 .choice-card-hint{display:none}.face-block{grid-template-columns:118px 1fr;align-items:center;gap:10px 12px;display:grid}.face-preview-wrap{background:var(--bg-muted);border-radius:10px;padding:6px 4px 2px}.face-preview-svg{width:100%;height:auto;display:block}.face-list{flex-direction:column;gap:8px;display:flex}.face-row{flex-direction:column;gap:4px;display:flex}.face-row-label{align-items:center;gap:7px;font-size:12.5px;font-weight:650;display:flex}.face-swatch{border:1px solid var(--border-strong);border-radius:3px;width:10px;height:10px}.swatch-top{background:var(--diagram-top)}.swatch-front{background:var(--diagram-face)}.swatch-bottom{background:var(--diagram-side)}.seg{background:var(--bg-muted);border-radius:9px;padding:3px;display:flex}.seg button{color:var(--text-muted);background:0 0;border:none;border-radius:7px;flex:1;padding:5px 8px;font-size:12px;font-weight:600}.seg button:hover:not(:disabled){color:var(--text);background:0 0}.seg button.active{background:var(--bg-elevated);color:var(--text);box-shadow:0 1px 2px #18243814}.field{flex-direction:column;gap:4px;display:flex}.field label{color:var(--text);font-size:13px;font-weight:500}.field-help{color:var(--text-muted);font-size:12px;line-height:1.45}.input-with-unit{align-items:center;gap:0;max-width:220px;display:flex}.input-with-unit input[type=number]{border-right:none;border-radius:8px 0 0 8px;flex:1;min-width:0}.input-unit{background:var(--bg-muted);border:1px solid var(--border);color:var(--text-muted);white-space:nowrap;border-left:none;border-radius:0 8px 8px 0;align-items:center;height:34px;padding:0 10px;font-size:12px;display:flex}.field input[type=number],.field input[type=text]{max-width:220px}.toggle-label{cursor:pointer;flex-shrink:0;align-items:center;display:inline-flex;position:relative}.toggle-label input[type=checkbox]{opacity:0;width:0;height:0;position:absolute}.toggle-track{background:var(--bg-muted);border:1px solid var(--border-strong);border-radius:20px;width:38px;height:20px;transition:background .2s,border-color .2s;display:block}.toggle-track:after{content:"";background:var(--text-muted);border-radius:50%;width:14px;height:14px;transition:transform .2s,background .2s;position:absolute;top:3px;left:3px}.toggle-label input:checked+.toggle-track{background:var(--accent);border-color:var(--accent)}.toggle-label input:checked+.toggle-track:after{background:#fff;transform:translate(18px)}.link-button{color:var(--accent-ink);background:0 0;border:none;padding:0;font-size:12px}.link-button:hover:not(:disabled){background:0 0;text-decoration:underline}.dimension-diagram{background:var(--bg-muted);border:1px solid #0000;border-radius:10px;align-items:center;gap:12px;padding:8px 10px;display:flex}.dimension-diagram.compact{background:0 0;padding:0}.dimension-diagram svg{flex:none}.dimension-diagram p{color:var(--text-muted);margin:0;font-size:12px}.preview-shell{background:var(--bg);flex-direction:column;flex:1;height:100%;min-height:0;display:flex;overflow:hidden}.preview-chrome{border-bottom:1px solid var(--border);background:var(--bg-muted);justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;display:flex}.preview-tabs{background:var(--bg-muted);border-radius:9px;gap:2px;padding:3px;display:flex}.preview-tabs button{color:var(--text-muted);background:0 0;border:none;border-radius:7px;padding:5px 14px;font-size:13px;font-weight:600}.preview-tabs button:hover:not(:disabled){background:#ffffff8c;border:none}.preview-tabs button.active{color:var(--text);background:#fff;box-shadow:0 1px 2px #11182714}.preview-note{color:var(--accent-strong);font-size:12px;font-weight:600}.preview-body{flex-direction:column;flex:1;min-height:0;display:flex;position:relative}.preview2d,.preview3d{background:#fff;flex-direction:column;flex:1;min-height:0;display:flex;position:relative;overflow:hidden}.preview-toolbar{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:8px 10px;display:flex}.preview-toolbar button{padding:4px 10px;font-size:12px}.zoom-label{color:var(--text-muted);min-width:48px;font-size:12px}.preview-canvas{cursor:grab;touch-action:none;background-color:#efe9dd;background-image:linear-gradient(#1118270b 1px,#0000 1px),linear-gradient(90deg,#1118270b 1px,#0000 1px);background-size:24px 24px;flex:1;position:relative;overflow:hidden}.preview-canvas:active{cursor:grabbing}.svg-layer{transform-origin:0 0;position:absolute}.svg-layer svg{box-shadow:var(--shadow);background:#fff;border-radius:2px;display:block}.spinner{border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spin;display:inline-block}.spinner.big{border-width:3px;width:28px;height:28px}@keyframes spin{to{transform:rotate(360deg)}}.preview3d{position:relative}.explode-control{z-index:2;border:1px solid var(--border);box-shadow:var(--shadow);background:#ffffffeb;border-radius:999px;align-items:center;gap:10px;padding:6px 14px;font-size:12px;display:flex;position:absolute;top:10px;left:12px}.explode-control 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14px;font-size:13px;font-weight:600}.modal-btn:hover{border-color:var(--border-strong)}.modal-btn-primary{background:var(--maker-grad);color:var(--accent-text);border-color:#0000}.modal-btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong)}.modal-btn-danger{background:var(--error);border-color:var(--error)}.atelier-panel .atelier-org-btn{width:100%;min-height:32px;color:var(--text);align-items:center;gap:8px;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:6px!important;padding:4px 6px 4px 8px!important;display:flex!important}.atelier-panel .atelier-org-btn:hover:not(:disabled),.atelier-panel .atelier-org-btn-open,.atelier-panel .atelier-org-btn:focus-visible{background:var(--bg-muted)!important;box-shadow:none!important;border:none!important}.atelier-panel .atelier-btn-ghost{height:28px;color:var(--text-muted);align-items:center;gap:6px;font-weight:500;box-shadow:none!important;background:0 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10px;font-size:13px;display:block}.atelier-panel .atelier-ctx button:hover{background:var(--bg-muted)}@media (width<=900px){.face-block{grid-template-columns:1fr}}.welcome-card{z-index:5;border:1px solid var(--border);background:color-mix(in srgb, var(--bg-elevated) 94%, transparent);max-width:min(380px,100% - 32px);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:12px;padding:14px 16px;position:absolute;bottom:16px;left:16px}.welcome-kicker{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 4px;font-size:.68rem}.welcome-title{letter-spacing:-.02em;margin:0 0 6px;font-size:1.05rem;font-weight:700}.welcome-body{color:var(--text-muted);margin:0 0 10px;font-size:.84rem;line-height:1.45}.welcome-ok{background:var(--maker-grad);color:var(--accent-text);font:inherit;cursor:pointer;border:0;border-radius:999px;padding:6px 16px;font-size:.84rem;font-weight:700}.welcome-ok:hover{filter:brightness(1.06)}