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canvas{display:block}.viewer-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:#0f172a99;color:var(--muted);font-size:15px}.viewer-error{color:#fca5a5}.viewer-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;padding:20px}.tabs{display:flex;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto}.tabs button{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex:1;padding:10px 8px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--muted);font-size:12px;white-space:nowrap;min-width:76px}.tabs button .icon{width:22px;height:22px;flex-basis:22px}.tabs button.active{color:var(--accent-2);border-bottom-color:var(--accent)}.tab-panel{padding:12px 14px;flex:1}.action-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.panel textarea{margin-bottom:10px}.change-summary{margin-top:12px;padding:10px;border-radius:10px;background:var(--surface2);font-size:13px}.change-summary span{color:var(--muted)}.quick-actions{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:8px}.quick-actions button{flex:0 0 auto;font-size:12px!important;padding:8px 10px!important;white-space:nowrap}.fix-actions,.clarify,.dialog-timeline{display:flex;flex-direction:column;gap:8px;margin-bottom:10px;padding:10px;border-radius:12px;border:1px solid rgba(148,163,184,.25);background:#27344980}.fix-actions strong,.clarify strong,.dialog-timeline strong{font-size:13px}.fix-actions div,.clarify-question div{display:flex;gap:6px;overflow-x:auto}.fix-actions button,.clarify-question button{flex:0 0 auto;padding:7px 9px!important;font-size:12px!important;white-space:nowrap}.clarify-question{display:flex;flex-direction:column;gap:6px}.clarify-question>span{color:var(--muted);font-size:12px}.timeline-item{display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;align-items:start}.timeline-item span{color:var(--accent-2);font-size:12px;font-weight:700}.timeline-item p{margin:0;color:var(--muted);font-size:12px;line-height:1.35}.cut-builder{display:flex;flex-direction:column;gap:10px;padding:12px;margin-bottom:10px;border:1px solid var(--border);border-radius:12px;background:#273449a6}.cut-builder-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.cut-builder-head strong{font-size:14px}.cut-builder-head button{padding:7px 10px!important;font-size:12px!important}.segmented{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.segmented button{min-height:36px;padding:7px 6px!important;font-size:12px!important;line-height:1.15}.segmented button.active{border-color:var(--accent);background:#3b82f640;color:#bfdbfe}.cut-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.cut-fields label{display:flex;flex-direction:column;gap:4px}.cut-fields span{color:var(--muted);font-size:12px}.intent-preview{display:flex;flex-direction:column;gap:5px;margin:0 0 10px;padding:10px;border-radius:10px;border:1px solid rgba(96,165,250,.35);background:#3b82f61a}.intent-preview strong{font-size:13px}.intent-preview span{color:#bfdbfe;font-size:12px}.operation-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(142px,1fr));gap:10px}.zone-picker{display:flex;gap:8px;overflow-x:auto;margin:0 0 12px;padding-bottom:4px}.zone-picker button{flex:0 0 auto;padding:7px 10px!important;font-size:12px!important}.zone-picker button.active{border-color:var(--accent);background:#3b82f640;color:#bfdbfe}.part-type-badge{display:inline-flex;margin:0 0 10px;padding:6px 10px;border:1px solid rgba(96,165,250,.32);border-radius:10px;background:#0f172a73;color:#bfdbfe;font-size:12px;font-weight:700}.pick-info{display:grid;gap:4px;margin:0 0 12px;padding:8px 10px;border:1px solid rgba(250,204,21,.35);border-radius:10px;background:#713f1229;color:#fde68a;font-size:12px}.operation-card{min-height:124px;flex-direction:column;align-items:flex-start!important;justify-content:flex-start!important;text-align:left}.operation-card .icon{color:var(--accent-2)}.operation-card strong{font-size:14px}.operation-card span{color:var(--muted);font-size:12px;line-height:1.3}.param-group{margin-bottom:14px;padding:10px;border:1px solid rgba(148,163,184,.22);border-radius:12px;background:#27344959}.param-group h3{margin:0 0 8px;font-size:13px;color:#bfdbfe}.param-row{display:flex;align-items:flex-start;flex-wrap:wrap;gap:2px 10px;margin-bottom:10px;border-bottom:1px dashed rgba(148,163,184,.2);cursor:pointer;border-radius:8px;padding:6px;transition:background .15s ease,box-shadow .15s ease}.param-row.selected{background:#facc151f;box-shadow:inset 0 0 0 1px #facc1573}.param-row label{flex:1;min-width:90px;font-size:14px;line-height:34px}.param-input{display:flex;align-items:center;gap:6px;flex:1.2;min-width:120px}.param-input input{text-align:right}.param-slider{flex:1 1 100%;padding:0;accent-color:var(--accent)}.unit{color:var(--muted);min-width:26px;font-size:13px}.panel-scad .scad-editor{display:flex;margin-bottom:10px;border:1px solid var(--border);border-radius:10px;overflow:hidden;height:260px}.scad-gutter{background:var(--surface2);color:var(--muted);padding:8px 6px;text-align:right;overflow:hidden;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:12px;line-height:1.5;-webkit-user-select:none;user-select:none}.scad-gutter div{height:18px}.scad-editor textarea{flex:1;border:none;border-radius:0;background:#0b1220;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:12.5px;line-height:1.5;-moz-tab-size:4;tab-size:4;white-space:pre}.revision-list{list-style:none;padding:0;margin:0}.revision-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:10px}.revision-item.active{border-color:var(--accent)}.rev-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}.rev-source{background:var(--surface2);border-radius:6px;padding:2px 6px;font-size:11px;color:var(--muted)}.rev-status{margin-left:auto;font-size:11px;text-transform:uppercase}.rev-status.valid{color:var(--ok)}.rev-status.failed{color:var(--danger)}.rev-status.draft,.rev-status.rendering{color:#fbbf24}.rev-summary{font-size:13px;color:var(--muted);margin-bottom:4px}.rev-dialog{font-size:12px;color:#bfdbfe;margin-bottom:4px}.version-compare{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;padding:12px;border:1px solid rgba(96,165,250,.35);border-radius:12px;background:#3b82f61a}.version-compare strong{font-size:13px}.version-compare div{display:grid;grid-template-columns:minmax(0,1fr) 22px minmax(0,1fr);align-items:center;gap:8px}.version-compare span{min-width:0;color:#bfdbfe;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel-drawing .drawing-stage{position:relative;height:70vh;min-height:300px;overflow:hidden;background:#f8fafc;border:1px solid var(--border);border-radius:10px;touch-action:none;cursor:grab}.panel-drawing .drawing-stage:active{cursor:grabbing}.panel-drawing .drawing-canvas{width:100%;height:100%;display:flex;align-items:center;justify-content:center;will-change:transform}.panel-drawing .drawing-canvas svg{width:100%;height:100%;background:#fff;border-radius:6px;box-shadow:0 2px 8px #00000014}.panel-drawing .drawing-hint{position:absolute;bottom:8px;right:10px;font-size:11px;color:var(--muted);background:#ffffffd9;padding:3px 8px;border-radius:6px;pointer-events:none}.param-row{position:relative}.param-input input.invalid{border-color:var(--danger);background:#ef444414}.param-meta{flex:1 1 100%;display:flex;justify-content:flex-end;gap:10px;margin-top:2px}.param-range{font-size:11px;color:var(--muted);white-space:nowrap}.param-error{font-size:11px;color:#fca5a5;white-space:nowrap}.param-warning{font-size:11px;color:#fde68a;white-space:nowrap}.preset-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.model-check{display:flex;flex-direction:column;gap:5px;margin-top:12px;padding:10px;border-radius:10px;border:1px solid rgba(251,191,36,.45);background:#fbbf241a}.model-check strong{font-size:13px;color:#fde68a}.model-check span{font-size:12px;color:#fef3c7}.gallery{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;margin:12px}.gallery h2{margin:0 0 4px;font-size:15px}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:12px}.template-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 10px;background:var(--surface2);border:1px solid var(--border);border-radius:12px;cursor:pointer;text-align:center;min-height:96px}.template-card:disabled{opacity:.6;cursor:default}.template-icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:#3b82f629;color:var(--accent-2)}.template-icon .icon{width:30px;height:30px;flex-basis:30px}.template-preview{width:64px;height:44px;color:var(--accent-2)}.template-preview *{fill:#60a5fa47;stroke:currentColor;stroke-width:3}.template-preview .cut{fill:var(--surface2)}.template-name{font-weight:600;font-size:14px;color:var(--text)}.template-desc{font-size:11px;color:var(--muted);line-height:1.3}.template-busy{font-size:12px;color:var(--accent-2)}.selection-message{position:absolute;bottom:8px;left:8px;right:8px;padding:6px 10px;background:#17202be8;color:#fff;font-size:12px;pointer-events:none}