/* NextDocs Foundation — base.css
   Reset, type roles, focus ring, skip link, reduced motion. Semantic tokens only. */

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--topbar-height) + var(--space-4));
}
body {
  margin: 0;
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--color-text-link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }

h1, h2, h3, h4, h5, h6 { line-height: var(--leading-tight); font-weight: var(--weight-semibold); margin: 0; }
p { margin: 0; }

:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-1); }

.icon { width: var(--icon-sm); height: var(--icon-sm); flex: none; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-md { width: var(--icon-md); height: var(--icon-md); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Skip link — first focusable element on every page. */
.skip-link {
  position: absolute; left: var(--space-4); top: var(--space-2); z-index: var(--z-toast);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-control);
  background: var(--color-brand); color: var(--color-brand-on); font-weight: var(--weight-semibold);
  transform: translateY(-200%); transition: transform var(--motion-fast);
}
.skip-link:focus { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0ms !important; transition-duration: 0ms !important; scroll-behavior: auto !important; }
}