:root {
  --color-text: #16181d;
  --color-muted: #5b6270;
  --color-bg: #ffffff;
  --color-surface: #f5f6f8;
  --color-border: #e2e5ea;
  --color-accent: #2f4bd8;
  --radius: 10px;
  --width: 68rem;
  --space: 1.25rem;
}

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

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.05rem;
  line-height: 1.65;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
}

h1,
h2,
h3 {
  line-height: 1.25;
  text-wrap: balance;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--width);
  margin-inline: auto;
  padding-inline: var(--space);
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: var(--space);
  top: var(--space);
  z-index: 10;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.muted {
  color: var(--color-muted);
}

.card-grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
}

.prose {
  max-width: 44rem;
}

.prose img {
  border-radius: var(--radius);
}

.prose pre {
  overflow-x: auto;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.tag-list a {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  font-size: 0.9rem;
  background: var(--color-surface);
  border-radius: 999px;
  text-decoration: none;
}