/*
 * Styles for the pyssg document-graph views.
 *
 * Two consumers: the standalone global page (`body.graph-page`) and the local
 * sidebar panel (`#kb-local-graph`) injected into document pages. Kept minimal
 * and theme-neutral so it composes with any host theme.
 */

/* Global full-page graph. */
.graph-page {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.graph-page .graph-stage {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

.graph-controls {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.graph-controls input,
.graph-controls button {
  font: inherit;
  padding: 0.4rem 0.6rem;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  background: #fff;
  color: #222;
  cursor: pointer;
}

.graph-controls input {
  cursor: text;
  min-width: 12rem;
}

.graph-controls button[aria-pressed="true"] {
  background: #333;
  color: #fff;
  border-color: #333;
}

#graph-panel {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  max-width: 18rem;
  padding: 0.75rem 1rem;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

/*
 * Per-page local graph panel. Inherits the host theme via CSS variables (with
 * fallbacks) so it blends into the page in both light and dark mode instead of
 * reading as a heavy dark box. A theme can override these on `#kb-local-graph`.
 */
#kb-local-graph {
  display: block;
  width: 100%;
  height: 220px;
  margin: 1rem 0;
  border: 1px solid var(--muted-font-color, #d8dde3);
  border-radius: var(--border-radius, 8px);
  /* Subtle elevated surface; slightly transparent so it never clashes hard. */
  background: var(--code-bg, #f6f8fa);
  opacity: 0.96;
}

/* Standalone global page controls keep an explicit dark-mode fallback (it does
   not load the host theme's variables). */
@media (prefers-color-scheme: dark) {
  .graph-controls input,
  .graph-controls button,
  #graph-panel {
    background: #1e1e1e;
    color: #e6e6e6;
    border-color: #3a3a3a;
  }
}