body {
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  max-width: 40rem;
  margin: 2rem auto;
  padding: 0 1rem;
}
nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  padding: 0;
}
button,
.fake-button {
  font: inherit;
  padding: 0.5rem 1rem;
}
.fake-button {
  display: inline-block;
  border: 1px solid #555;
  border-radius: 4px;
  background: #eee;
  color: #111;
  cursor: pointer;
}

/* Disclosures */
.disclosure {
  border: 1px solid #888;
  border-radius: 4px;
  margin: 0 0 1rem;
  padding: 0.5rem 1rem;
}
.disclosure button {
  padding: 0.25rem 0.5rem;
}

/* Dialogs */
dialog {
  max-width: 24rem;
  border: 1px solid #555;
  border-radius: 6px;
  padding: 1.5rem;
}
dialog::backdrop {
  background: rgb(0 0 0 / 0.4);
}
dialog h2 {
  margin-top: 0;
}
.actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Products */
.products {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.product {
  border: 1px solid #888;
  border-radius: 6px;
  padding: 1rem;
}
.product h2 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
}
.product p {
  margin: 0 0 0.75rem;
}

/* Forms */
form {
  border: 1px solid #888;
  border-radius: 6px;
  padding: 1rem 1.25rem;
}
form h3 {
  margin-top: 0;
}
.field {
  margin: 0 0 1rem;
}
label {
  display: block;
  font-weight: 600;
}
input,
textarea {
  font: inherit;
  padding: 0.4rem;
  width: 100%;
  max-width: 22rem;
  box-sizing: border-box;
}
input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border: 2px solid #b00020;
}
.error {
  color: #b00020;
  margin: 0.25rem 0 0;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #888;
  font-size: 0.9rem;
}