/* Minimal, functional styling only (readability + basic layout). */
body {
  font-family: sans-serif;
  line-height: 1.5;
  margin: 0;
}
.container {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}
.field {
  margin: 1rem 0;
}
.field label {
  display: block;
  font-weight: bold;
}
fieldset.field {
  padding: 0.75rem;
}
input, select, textarea {
  font: inherit;
}
.field-error, .form-error {
  color: #b00;
  margin: 0.25rem 0 0;
}
.form-result {
  color: #060;
  margin: 0.25rem 0 0;
}
.banner {
  padding: 0.5rem 0.75rem;
  margin: 0.75rem 0;
  border: 1px solid #999;
}
.banner.success { border-color: #060; }
.banner.error { border-color: #b00; }
.admin-nav a { margin-right: 1rem; }
.data-table { border-collapse: collapse; width: 100%; margin-bottom: 1.5rem; }
.data-table th, .data-table td { text-align: left; padding: 0.3rem 0.5rem; border-bottom: 1px solid #ccc; }
.stack { display: flex; flex-direction: column; gap: 0.5rem; max-width: 30rem; margin-bottom: 1.5rem; }
.stats { list-style: none; padding: 0; }
.hint { color: #555; font-size: 0.9rem; }
.row-hidden { display: none; }
.invite-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0.75rem 0 1rem;
}
.invite-count { color: #555; font-size: 0.9rem; margin: 0; }
.csv-link { font-size: 0.9rem; }
details.invite-detail > summary { cursor: pointer; }
details.invite-detail p { margin: 0.25rem 0; }