.allowance-source-trigger {
  display: inline-grid;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  min-height: 36px;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}
.allowance-source-trigger:hover,
.allowance-source-trigger:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.allowance-source-dialog {
  width: min(680px, calc(100vw - 32px));
  max-width: 680px;
  max-height: min(82dvh, 760px);
  padding: 0 22px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 16px 48px color-mix(in srgb, var(--ink) 24%, transparent);
}
.allowance-source-dialog::backdrop { background: color-mix(in srgb, var(--ink) 52%, transparent); }
.allowance-source-dialog > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin: 0 -22px 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}
.allowance-source-dialog > header h2 { margin: 3px 0 0; color: var(--heading); font-size: 20px; line-height: 1.3; }
.allowance-source-dialog > header form { flex: 0 0 auto; }
.allowance-source-dialog .allowance-source-disclaimer { margin: 0 0 16px; }
.allowance-source-entry { padding: 14px 0; border-top: 1px solid var(--line); }
.allowance-source-entry h3 { margin: 3px 0 8px; color: var(--heading); font-size: 16px; }
.allowance-source-entry p { margin: 7px 0; white-space: normal; overflow-wrap: anywhere; }
.allowance-source-entry .allowance-source-group,
.allowance-source-entry small { color: var(--muted); font-size: 12px; }
.allowance-source-entry .allowance-source-group { margin-top: 0; font-weight: 600; }
.allowance-source-period { color: var(--muted); font-size: 13px; }
.allowance-source-applicability { padding: 8px 10px; border-left: 3px solid var(--brand); background: var(--soft); }
.authoring-source-mapping { margin-top: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.authoring-source-mapping h4 { margin: 0 0 6px; color: var(--heading); }
.authoring-source-controls { display: grid; grid-template-columns: minmax(190px, .7fr) minmax(0, 1.3fr); gap: 16px; margin-top: 12px; }
.authoring-source-rule-list { max-height: 340px; min-width: 0; overflow: auto; margin: 0; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; }
.authoring-source-rule-list legend { padding: 0 5px; color: var(--heading); font-weight: 600; }
.authoring-source-rule { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: 9px; padding: 8px 4px; border-bottom: 1px solid var(--line); cursor: pointer; }
.authoring-source-rule:last-child { border-bottom: 0; }
.authoring-source-rule input { margin: 3px 0 0; }
.authoring-source-rule span { display: grid; gap: 3px; overflow-wrap: anywhere; }
.authoring-source-rule small { color: var(--muted); }
.authoring-source-selected { margin-top: 12px; padding: 10px; border-left: 3px solid var(--brand); background: var(--soft); }
.authoring-source-selected ul { display: grid; gap: 6px; margin: 8px 0 0; padding-left: 18px; }
.authoring-source-selected li { overflow-wrap: anywhere; }
.authoring-source-selected button { margin-left: 8px; }
.authoring-source-legacy { margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line); }
.authoring-source-legacy summary { color: var(--brand); cursor: pointer; }
.authoring-source-legacy label { display: block; margin-top: 10px; }
@media (max-width: 650px) {
  .allowance-source-dialog { max-height: 88dvh; padding-right: 16px; padding-left: 16px; }
  .allowance-source-dialog > header { margin-right: -16px; margin-left: -16px; padding-right: 16px; padding-left: 16px; }
  .allowance-source-dialog > header h2 { font-size: 18px; }
  .authoring-source-controls { grid-template-columns: minmax(0, 1fr); }
  .authoring-source-rule-list { max-height: 260px; }
}
/* Shared readable source values in catalogue and question guidance. */
.source-periods { align-self: start; }
.source-periods > form > button { display: block; width: 100%; }
.source-periods .pagination-controls button { display: inline-flex; width: auto; text-align: center; }
.allowance-rule-value { min-width: 0; }
.allowance-rule-value p { margin: 0; max-width: none; overflow-wrap: anywhere; }
.allowance-rule-value .allowance-rule-primary { font-weight: 600; color: var(--heading); }
.allowance-rule-value .allowance-rule-explanation { margin-top: 6px; line-height: 1.6; }
.allowance-rule-value .allowance-source-period { margin-top: 8px; }
.allowance-source-values { margin: 0; display: grid; grid-template-columns: auto 1fr; column-gap: 16px; row-gap: 6px; }
.allowance-source-values dt, .allowance-source-values dd { margin: 0; }
.allowance-group-heading { margin: 0; padding: 10px 20px; background: var(--soft); color: var(--heading); border-block: 1px solid var(--line); font-size: 14px; }
.readable-rule { display: grid; grid-template-columns: minmax(180px, .85fr) minmax(0, 1.4fr); gap: 20px; }
.readable-rule h4 { margin: 0; font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.allowance-source-provenance { margin-top: 20px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.allowance-source-provenance h3 { font-size: 13px; margin: 0 0 6px; }
.allowance-source-provenance p { margin: 4px 0; }
@media (max-width: 650px) {
  .readable-rule { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}