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

html {
  font-size: 15px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.45;
}

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

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  margin: 0 0 var(--space-3);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 1.5rem;
}

h2 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-start;
  margin-bottom: var(--space-4);
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

.stack {
  display: grid;
  gap: var(--space-4);
}

.grid-2 {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}