/* Shared visual foundation for all formal OUOU surfaces. */
:root {
  --ouou-ui-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  --ouou-icon-nav: 20px;
  --ouou-icon-action: 16px;
  --ouou-icon-toolbar: 16px;
  --ouou-icon-utility: 14px;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-synthesis: none;
}

body,
button,
input,
select,
textarea {
  font-family: var(--ouou-ui-font) !important;
  letter-spacing: 0;
}

/* Lucide is a UI affordance, never a poster graphic. */
button [data-lucide],
a [data-lucide] {
  max-width: var(--ouou-icon-nav);
  max-height: var(--ouou-icon-nav);
}