:root {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #111111;
    background: #ffffff;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    color-scheme: light;
}
body { margin: 0; }
/* Quark Paragraph adds a fixed non-first-child margin; layout presets own spacing here. */
[data-slot="paragraph"]:not(:first-child) { margin-top: 0; }
:focus-visible { outline: 2px solid #111111; outline-offset: 4px; }
::selection { background: #dddddd; }
/* The replay is a sandboxed document, outside Quark's component styling. */
iframe { display: block; width: 100%; height: 620px; border: 1px solid #dddddd; border-radius: 8px; margin-top: 20px; background: #fff; }
/* Static bootstrap content is displayed before the Blazor components are available. */
.bootstrap { max-width: 1016px; margin: 64px auto; padding: 0 24px; }
.bootstrap strong { display: block; color: #111111; margin-bottom: 24px; }
.bootstrap p { color: #666666; }
@media (max-width: 640px) { iframe { height: 520px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }
