/* MIKELOU: best-effort color inheritance. Vendor iframe/shadow internals remain vendor-controlled. */
:root {
  --ml-conversation-bg:var(--ml-plate, #131519);
  --ml-conversation-fg:var(--ml-fg, #f3f1ed);
  --ml-conversation-accent:var(--ml-accent, #d2b898);
  --ml-conversation-border:var(--ml-line, rgba(245,244,240,.16));
}
:where(#thunderbolt-ui, #thunderbolt-widget, thunderbolt-ui, [data-thunderbolt-ui]) {
  color-scheme:inherit;
  --ml-conversation-background:var(--ml-conversation-bg);
  --ml-conversation-foreground:var(--ml-conversation-fg);
  --ml-conversation-highlight:var(--ml-conversation-accent);
}
/* If the vendor uses a floating iframe, keep its outer box inside the viewport.
   These are upper bounds only; no position/size/branding is imposed. */
iframe[src*="thunderbolt.com"] {
  max-width:100vw;
  max-height:100dvh;
}