/* Shared styling for the year / month / day select group. Load alongside
   the page's existing form stylesheet after the parent JS creates the group. */
.date-select-field {
  --date-select-border: #7a8794;
  --date-select-focus: #0759a5;
  --date-select-text: #17212b;
  --date-select-muted: #465361;
  --date-select-error: #a52222;
  display: grid;
  gap: 0.5rem;
  min-width: 0;
  max-width: 100%;
  container-type: inline-size;
}

.date-select-field > .date-select-parts {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: clamp(0.375rem, 2vw, 0.75rem);
  min-width: 0;
  max-width: 100%;
}

/* A four-digit year must stay readable even in a narrow participant column. */
@container (max-width: 260px) {
  .date-select-field:not([data-month-only]) > .date-select-parts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .date-select-field:not([data-month-only]) > .date-select-parts > .date-select-part:first-child {
    grid-column: 1 / -1;
  }
}

.date-select-part {
  display: grid;
  align-content: start;
  gap: 0.25rem;
  min-width: 0;
  margin: 0;
}

.date-select-unit {
  color: var(--date-select-muted);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
}

.date-select-part select {
  box-sizing: border-box;
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 0.625rem 1.75rem 0.625rem 0.625rem;
  border: 1px solid var(--date-select-border);
  border-radius: 0.5rem;
  background-color: #fff;
  color: var(--date-select-text);
  font: inherit;
  line-height: 1.25;
}

.date-select-part select:focus-visible {
  outline: 3px solid var(--date-select-focus);
  outline-offset: 2px;
}

.date-select-field :is(select:disabled, select[aria-readonly="true"], [aria-disabled="true"] select) {
  color: var(--date-select-muted);
  background-color: #eef1f4;
  cursor: not-allowed;
  opacity: 1;
}

.date-select-field[aria-disabled="true"] .date-select-part {
  cursor: not-allowed;
}

.date-select-error {
  margin: 0;
  color: var(--date-select-error);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
}

.date-select-field[aria-invalid="true"] .date-select-part select,
.date-select-part select[aria-invalid="true"] {
  border-color: var(--date-select-error);
}

.date-select-field input[type="date"][hidden],
.date-select-field input[type="month"][hidden],
.date-select-field input[type="datetime-local"][hidden] {
  display: none !important;
}

@media (max-width: 340px) {
  .date-select-field > .date-select-parts {
    gap: 0.375rem;
  }

  .date-select-part select {
    padding-right: 1.375rem;
    padding-left: 0.5rem;
    font-size: 0.9375rem;
  }
}

/* Nonvisual ISO/native-validity carrier, never an interactive calendar. */
.date-select-field .date-select-source{display:none!important}
.date-select-field[data-month-only="true"]>.date-select-parts{grid-template-columns:repeat(2,minmax(0,1fr))}
.date-select-field>.date-select-error[hidden]{display:none}
.date-select-field>label{margin:0}