:root{--sidebar-w:300px;--panel-w:280px;--color-bg:#0a0a0f;--color-canvas-bg:#0d0d14;--color-surface:#14141c;--color-surface-2:#1a1a24;--color-surface-3:#22222f;--color-border:#ffffff12;--color-border-strong:#ffffff24;--color-accent:#6366f1;--color-accent-hover:#4f52d9;--color-accent-light:#6366f124;--color-text:#e2e2ee;--color-text-secondary:#8888a8;--color-text-muted:#50506c;--color-warning:#f59e0b;--color-danger:#ef4444;--color-danger-hover:#dc2626;--radius-sm:5px;--radius-md:8px;--radius-lg:12px;--handle-color:#f0c828;--handle-hover-color:#f5de72;--handle-selected-color:#fff27a;--handle-ring-color:#f0c82859;--polygon-fill:#f0c8281a;--polygon-stroke:#f0c828bf;--polygon-stroke-hover:#fadc3c;--grid-color:#ffffff2e;--grid-major-color:#ffffff61;--motion-ease-out:cubic-bezier(.33, 1, .68, 1);--motion-ease-spring:cubic-bezier(.34, 1.45, .64, 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