/* Fix Mermaid class diagram: ensure hollow triangle markers render correctly */
/* Applies to extension (inheritance) and composition markers */

/* Extension marker — the hollow triangle used for inheritance/realization */
[id*="extensionStart"] polygon,
[id*="extensionEnd"] polygon,
[id*="extensionStart"] path:first-of-type,
[id*="extensionEnd"] path:first-of-type,
marker[id*="extension"] polygon,
marker[id*="extension"] path:first-of-type {
  fill: var(--md-default-bg-color, #ffffff) !important;
  stroke: inherit !important;
}

/* Composition marker — the filled diamond */
[id*="compositionStart"] polygon,
[id*="compositionEnd"] polygon,
marker[id*="composition"] polygon {
  fill: var(--md-default-fg-color, #000000) !important;
}

/* Dark mode support */
[data-md-color-scheme="slate"] [id*="extensionStart"] polygon,
[data-md-color-scheme="slate"] [id*="extensionEnd"] polygon,
[data-md-color-scheme="slate"] [id*="extensionStart"] path:first-of-type,
[data-md-color-scheme="slate"] [id*="extensionEnd"] path:first-of-type {
  fill: var(--md-default-bg-color, #1e1e1e) !important;
}