:host{display:block;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;--color-text-secondary:#6b7280}:host([theme=dark]){--color-text-secondary:#9ca3af;--color-background:#1f2937;--color-text:#f9fafb}:host([theme=light]){--color-text-secondary:#6b7280;--color-background:#fff;--color-text:#111827}@media (prefers-color-scheme:dark){:host([theme=system]){--color-text-secondary:#9ca3af;--color-background:#1f2937;--color-text:#f9fafb}}summary{position:relative}summary:before{content:"►";position:absolute;left:0;font-size:.75rem;color:var(--color-text-secondary);transform:rotate(0);transition:transform .2s}details[open]>summary:before{transform:rotate(90deg)}