:root{--color-primary: #2e9ef0;--color-primary-hover: #1f89d8;--color-primary-active: #123c73;--color-primary-contrast: #ffffff;--color-bg: #ffffff;--color-bg-app: #f7f9fc;--color-bg-muted: #f1f4f8;--color-sidebar-bg: #ffffff;--color-text: #1a2530;--color-text-muted: #64748b;--color-text-inverse: #ffffff;--color-border-light: #e7eaf0;--color-border: #d7dce4;--color-success: #1e8e5a;--color-success-bg: #e6f4ec;--color-warning: #b45f06;--color-warning-bg: #fdf1e0;--color-danger: #c62828;--color-danger-bg: #fbe9e9;--color-info: #2e6ef0;--color-info-bg: #e8f0fe;--color-neutral: #64748b;--color-neutral-bg: #eef1f5;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;--font-size-xs: 12px;--font-size-sm: 13px;--font-size-md: 15px;--font-size-lg: 18px;--font-size-xl: 24px;--sidebar-width: 260px;--topbar-height: 56px;--geometry-canvas-bg: var(--color-bg-muted);--geometry-grid-line: var(--color-border-light);--geometry-zone-fill: rgba(46, 158, 240, .16);--geometry-zone-stroke: var(--color-primary);--geometry-void-fill: var(--color-bg);--geometry-void-stroke: var(--color-warning);--geometry-void-hazard-stroke: var(--color-danger);--geometry-structure-fill: var(--color-neutral-bg);--geometry-structure-stroke: var(--color-neutral);--geometry-skylight-fill: rgba(46, 110, 240, .12);--geometry-selected-stroke: var(--color-primary-active);--geometry-invalid-stroke: var(--color-danger);--geometry-warning-stroke: var(--color-warning);--geometry-draft-stroke: var(--color-primary-active);--geometry-vertex-fill: var(--color-bg);--geometry-vertex-stroke: var(--color-primary-active);--geometry-vertex-selected-fill: var(--color-primary);--geometry-level-diff-stroke: var(--color-info);--geometry-focus-ring: var(--color-primary)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font-family);font-size:var(--font-size-md);color:var(--color-text);background:var(--color-bg-app)}button{font-family:inherit}a{color:var(--color-primary)}