:root {
  --page-max-width: 50rem;
  --error-color: #c00;
}

/* flex base layout */
body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
body.no-center {
  justify-content: flex-start;
}

body.content-page {
  justify-content: flex-start;
  align-items: stretch;
  margin: 0 auto;
  main {
    margin: 0 auto;
    text-align: left;
  }
}
html, body {
  margin: 0; /* avoid scroll bar when page is not full height */
  height: 100dvh;
}

main {
  max-width: var(--page-max-width, 50rem);
  width: 100%;
}
footer {
  text-align: center;
  font-size: 0.7rem;
  padding-bottom: 1rem;
}

body {
  font-family: system-ui, sans-serif;
}

label, input, button, select, textarea {
  font-size: 1rem;
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem;
}
main > * {
  margin: 1rem;
}
* + * {
  margin-top: 1rem;
}

/* utility classes */

.error {
  color: var(--error-color, #c00);
  font-weight: bold;
}
.hidden {
  display: none !important;
}

.token-card {
  padding: 1rem;
  border: 1px solid #cecece;
}