/* Reset + element defaults. */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: var(--weight-semibold); }
h1 { font-size: var(--text-xl); }
h2 { font-size: var(--text-lg); }
h3 { font-size: var(--text-md); }
p { margin: 0; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }

table { border-collapse: collapse; width: 100%; }

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

.skip-link {
  position: absolute; left: var(--space-4); top: -48px; z-index: 100;
  background: var(--color-primary); color: #fff; padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: var(--space-4); }

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

.muted { color: var(--color-text-muted); }
.small { font-size: var(--text-sm); }
.xsmall { font-size: var(--text-xs); }
.mono { font-family: var(--font-mono); font-size: 0.92em; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.strong { font-weight: var(--weight-semibold); }
.text-error { color: var(--color-error); }
.hidden { display: none !important; }


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Phones and tablets (BUG-055). Body text at least 16px, and form fields at
   16px so iOS Safari does not zoom the page when a field is tapped. */
@media (max-width: 640px), (pointer: coarse) {
  body { font-size: 1rem; }
  input, select, textarea, .input, .select, .textarea, .signin-input { font-size: 16px; }
}