:root{--bm-surface:#ffffff;--bm-surface-muted:#f8f9fa;--bm-surface-hover:#f9fafb;--bm-border:#e5e7eb;--bm-border-soft:#f3f4f6;--bm-text:#111827;--bm-text-muted:#6b7280;--bm-text-soft:#374151;--bm-text-disabled:#9ca3af;--bm-action:#0f172a;--bm-action-foreground:#ffffff;--bm-action-disabled-bg:#f3f4f6;--bm-success-bg:#d1fae5;--bm-success-fg:#065f46;--bm-warning-bg:#fef3c7;--bm-warning-fg:#92400e;--bm-danger-bg:#fee2e2;--bm-danger-fg:#991b1b;--bm-info-bg:#dbeafe;--bm-info-fg:#1e40af;--bm-neutral-bg:#f3f4f6;--bm-neutral-fg:#374151;--bm-space-1:4px;--bm-space-2:8px;--bm-space-3:12px;--bm-space-4:16px;--bm-space-5:20px;--bm-space-6:24px;--bm-space-8:32px;--bm-space-12:48px;--bm-space-16:64px;--bm-radius-card:8px;--bm-radius-input:6px;--bm-radius-button:6px;--bm-radius-pill:999px;--bm-shadow-card:0 1px 2px rgba(0,0,0,0.05);--bm-font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,"Helvetica Neue",Arial,sans-serif;--bm-font-mono:"Geist Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--bm-sidebar-width:240px;--bm-topbar-height:56px;--bm-content-max-width:1200px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bm-surface);color:var(--bm-text);font-family:var(--bm-font-sans);font-size:14px;line-height:22px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--bm-action)}button{font-family:inherit}:focus-visible{outline:2px solid var(--bm-action);outline-offset:2px;border-radius:var(--bm-radius-button)}h1,h2,h3,h4,h5,h6,p{margin:0}code,pre{font-family:var(--bm-font-mono)}.bm-editor-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;grid-gap:var(--bm-space-6);gap:var(--bm-space-6);align-items:start}.bm-editor-preview-pane{position:-webkit-sticky;position:sticky;top:calc(var(--bm-topbar-height) + var(--bm-space-4));max-height:calc(100vh - var(--bm-topbar-height) - var(--bm-space-6));overflow-y:auto}@media (max-width:1024px){.bm-editor-grid{grid-template-columns:1fr}.bm-editor-preview-pane{position:static;max-height:none;overflow-y:visible}}.bm-table-row{transition:background-color 60ms ease}.bm-table-row:hover{background-color:var(--bm-surface-hover)}