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

[hidden] {
  display: none !important;
}

html {
  min-width: 0;
  scroll-behavior: smooth;
  background: var(--color-canvas);
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background-color: var(--color-canvas);
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px),
    radial-gradient(circle at 86% 8%, var(--color-halo), transparent 32rem);
  background-size: 4rem 4rem, 4rem 4rem, auto;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  transition: background-color 180ms ease, color 180ms ease;
}

::selection {
  color: var(--color-selection-text);
  background: var(--color-selection);
}

:where(h1, h2, h3, p, ul, ol, pre, blockquote, table) {
  margin-block-start: 0;
}

:where(h1, h2, h3) {
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  margin-block-end: var(--space-4);
  font-size: var(--step-4);
  letter-spacing: -0.045em;
}

h2 {
  margin-block-end: var(--space-3);
  font-size: var(--step-2);
  letter-spacing: -0.025em;
}

h3 {
  margin-block-end: var(--space-2);
  font-size: var(--step-1);
}

p,
li,
dd,
td,
th {
  max-width: var(--line-readable);
  overflow-wrap: anywhere;
}

a {
  color: var(--color-accent);
  text-decoration-color: currentColor;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-accent-strong);
  text-decoration-thickness: 0.15em;
}

button,
a {
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: var(--radius-small);
}

button {
  min-block-size: 44px;
  min-inline-size: 44px;
  border: var(--border-thin) solid var(--color-border-strong);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  color: var(--color-text);
  background: var(--color-surface);
  font: inherit;
  font-size: var(--step--1);
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-strong);
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

pre,
code {
  font-family: var(--font-mono);
}

pre {
  max-width: 100%;
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  padding: var(--space-4);
  color: var(--color-text);
  background: var(--color-code);
  font-size: var(--step--1);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

blockquote {
  margin-inline: 0;
  border-inline-start: 0.35rem solid var(--color-signal);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
}

hr {
  border: 0;
  border-block-start: var(--border-thin) solid var(--color-border);
  margin-block: var(--space-6);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}