:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
}
body {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1rem;
  line-height: 1.5;
}
button {
  font-size: 1rem;
  padding: 0.5rem 0.9rem;
  margin: 0.15rem 0.25rem 0.15rem 0;
  cursor: pointer;
}
button:focus-visible, input:focus-visible {
  outline: 3px solid #4c9aff;
  outline-offset: 2px;
}
.row { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.shop-list { list-style: none; padding: 0; }
.shop-list li { margin: 0.35rem 0; }
input[type="text"] {
  font-size: 1rem;
  padding: 0.4rem;
  margin-right: 0.5rem;
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}