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7px;font-size:11px}.b-canvas-layout{--canvas-root:#0b0e0f;--canvas-panel:#121718;--canvas-elevated:#181e1f;--canvas-border:#283133;--canvas-sidebar-width:238px;--canvas-prompt-center-shift:119px;--canvas-border-strong:#384446;--canvas-text:#e6eeec;--canvas-muted:#839093;--canvas-faint:#59666a;--canvas-dot:#222a2c;--canvas-shadow:#00000057;--bg-root:var(--canvas-root);--bg-surface:var(--canvas-panel);--bg-elevated:var(--canvas-elevated);--bg-input:#0f1314;--border-subtle:var(--canvas-border);--border-hover:var(--canvas-border-strong);--text-primary:var(--canvas-text);--text-secondary:var(--canvas-muted);--text-disabled:var(--canvas-faint);height:calc(100vh - 64px);color:var(--canvas-text);background:var(--canvas-root);grid-template-columns:238px minmax(0,1fr);transition:grid-template-columns 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var(--canvas-border-strong);height:34px;color:var(--canvas-muted);cursor:pointer;background:0 0;border-radius:9px;margin:8px 10px;font-size:9px}.b-tree-footer{border-top:1px solid var(--canvas-border);min-height:43px;color:var(--canvas-faint);align-items:center;gap:8px;padding:0 15px;font-size:8px;display:flex}.b-tree-footer span,.b-task-float-collapsed span{background:var(--success);border-radius:50%;width:6px;height:6px}.b-tree-footer span.busy,.b-task-float-collapsed span.busy{background:var(--warning);animation:1.5s infinite status-pulse}.b-canvas-main{background:var(--canvas-root);flex-direction:column;min-width:0;min-height:0;display:flex}.b-canvas-topbar{border-bottom:1px solid var(--canvas-border);background:var(--canvas-panel);flex:none;align-items:center;gap:10px;height:58px;padding:0 13px;display:flex}@supports (color:color-mix(in lab, red, red)){.b-canvas-topbar{background:color-mix(in srgb, var(--canvas-panel) 96%, transparent)}}.b-canvas-title-group{align-items:center;gap:8px;min-width:0;display:flex}.b-tree-toggle{border:1px solid var(--canvas-border);width:30px;height:30px;color:var(--canvas-muted);background:var(--canvas-elevated);cursor:pointer;border-radius:8px;place-items:center;display:grid}.b-tree-toggle svg,.b-canvas-tools svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;width:15px;height:15px}.b-title-breadcrumb{color:var(--canvas-faint);font-size:9px}.b-canvas-name{color:var(--canvas-text);cursor:pointer;background:0 0;border:0;font-size:11px;font-weight:650}.b-canvas-name span{color:var(--canvas-faint);margin-left:4px;font-size:9px}.b-canvas-title-group input{border:1px solid var(--accent);width:180px;height:30px;color:var(--canvas-text);background:var(--bg-input);border-radius:7px;padding:0 8px;font-size:11px}.b-save-state{color:var(--canvas-faint);align-items:center;gap:6px;margin-left:auto;font-size:8px;display:flex}.b-save-state span{background:var(--success);border-radius:50%;width:5px;height:5px}.app-theme-switch{border:1px solid var(--border-subtle);background:var(--bg-input);border-radius:9px;align-items:center;gap:2px;height:32px;padding:3px;display:flex}.app-theme-switch button{height:24px;color:var(--text-disabled);cursor:pointer;background:0 0;border:0;border-radius:6px;align-items:center;gap:5px;padding:0 8px;font-size:8px;display:flex}.app-theme-switch button.active{color:var(--text-primary);background:var(--bg-elevated);box-shadow:0 1px 4px var(--workspace-shadow,var(--canvas-shadow))}.theme-dot{border:1px solid #75807e;border-radius:50%;width:8px;height:8px}.theme-dot.dark{background:#14191a}.theme-dot.light{background:#f6f8f7}.b-topbar-button,.b-topbar-primary{border:1px solid var(--canvas-border);height:31px;color:var(--canvas-muted);background:var(--canvas-elevated);cursor:pointer;border-radius:8px;padding:0 11px;font-size:9px}.b-topbar-primary{color:#07110f;background:var(--accent);border-color:#0000;font-weight:700}.canvas-theme-light .b-topbar-primary{color:#fff}.b-canvas-workarea{flex-direction:column;flex:1;min-height:0;display:flex;position:relative;overflow:hidden}.b-infinite-stage{flex:1;min-height:0;position:relative;overflow:hidden}.b-infinite-stage .canvas-full{background-color:var(--canvas-root);background-image:radial-gradient(circle, var(--canvas-dot) 1px, transparent 1px)}.b-canvas-tools{z-index:35;border:1px solid var(--canvas-border);background:var(--canvas-panel);border-radius:11px;flex-direction:column;gap:5px;padding:5px;display:flex;position:absolute;top:14px;left:14px}@supports (color:color-mix(in lab, red, red)){.b-canvas-tools{background:color-mix(in srgb, var(--canvas-panel) 92%, transparent)}}.b-canvas-tools{box-shadow:0 10px 30px var(--canvas-shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.b-canvas-tools button{width:30px;height:30px;color:var(--canvas-muted);cursor:pointer;background:0 0;border:0;border-radius:7px;place-items:center;display:grid}.b-canvas-tools button:hover,.b-canvas-tools button.active{color:var(--accent);background:var(--accent-muted)}.b-canvas-tools>span{background:var(--canvas-border);height:1px;margin:2px 4px}.b-canvas-workarea>.prompt-wrapper{width:min(760px, calc(100vw - var(--canvas-sidebar-width) - 120px));left:calc(50vw + var(--canvas-prompt-center-shift));bottom:max(13px, env(safe-area-inset-bottom));z-index:90;padding:0;position:fixed;transform:translate(-50%)}.b-canvas-workarea .prompt-bar{border-color:var(--canvas-border-strong);background:var(--canvas-panel);max-height:calc(100dvh - 84px);padding:11px 12px}@supports (color:color-mix(in lab, red, red)){.b-canvas-workarea .prompt-bar{background:color-mix(in srgb, var(--canvas-panel) 96%, transparent)}}.b-canvas-workarea .prompt-bar{box-shadow:0 18px 50px var(--canvas-shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.b-canvas-workarea .prompt-textarea{background:var(--bg-input);min-height:44px;max-height:clamp(44px,100dvh - 270px,300px);overflow-y:auto}.b-canvas-workarea .ref-row{flex-wrap:nowrap;min-height:36px;margin-bottom:5px;padding:2px;overflow:auto hidden}.b-canvas-workarea .ref-thumb,.b-canvas-workarea .ref-add{width:36px;height:36px}.b-canvas-workarea .controls-row,.b-canvas-workarea .controls-main{gap:7px}.b-canvas-workarea .controls-row{margin-top:7px}.b-canvas-workarea .btn-generate{background:var(--accent);color:#07110f}.canvas-theme-light .b-canvas-workarea .btn-generate{color:#fff}.b-canvas-workarea .canvas-help-hint{color:var(--canvas-faint);bottom:190px;left:15px}.b-canvas-workarea .zoom-badge{color:var(--canvas-muted);background:var(--canvas-panel);border-color:var(--canvas-border);bottom:190px}.canvas-offscreen-hint{z-index:33;border:1px solid var(--canvas-border-strong);min-height:30px;color:var(--canvas-text);background:var(--canvas-panel);border-radius:999px;padding:0 12px;position:absolute;top:14px;left:50%;transform:translate(-50%)}@supports (color:color-mix(in lab, red, red)){.canvas-offscreen-hint{background:color-mix(in srgb, var(--canvas-panel) 94%, transparent)}}.canvas-offscreen-hint{box-shadow:0 8px 24px var(--canvas-shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;font-size:9px}.canvas-offscreen-hint:hover{color:var(--accent);border-color:var(--accent)}.b-task-float{z-index:34;border:1px solid var(--canvas-border);background:var(--canvas-panel);border-radius:12px;width:254px;position:absolute;top:14px;right:14px;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.b-task-float{background:color-mix(in srgb, var(--canvas-panel) 94%, transparent)}}.b-task-float{box-shadow:0 12px 36px 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