:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #18212f;
  background: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: #ffffff;
}

.site-header {
  display: flex;
  align-items: center;
  min-height: 4rem;
  padding: 0 1.5rem;
  border-bottom: 1px solid #e5e7eb;
}

.brand {
  color: inherit;
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
}