*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(circle at 20% 0%, var(--color-bg-alt), var(--color-bg) 60%) fixed, var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--text-md);
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

#app {
  min-height: 100dvh;
  padding: max(var(--space-4), env(safe-area-inset-top)) max(var(--space-4), env(safe-area-inset-right))
    max(var(--space-4), env(safe-area-inset-bottom)) max(var(--space-4), env(safe-area-inset-left));
}

h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: var(--weight-black); line-height: 1.2; }

button, input { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; -webkit-user-select: none; user-select: none; }

:focus-visible { outline: 0.25rem solid var(--color-focus); outline-offset: 0.2rem; }
[tabindex='-1']:focus { outline: none; }

svg { display: block; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}

/* Author display rules (e.g. display: flex) must not override the hidden attribute. */
[hidden] { display: none !important; }