.four-d-multi-picker { margin: 0 0 1.2rem; container-type: inline-size; container-name: four-d-selector; }
.four-d-multi-picker[hidden] { display: none !important; }
.four-d-multi-instructions { margin: 0 0 .9rem; }
.four-d-multi-group { border: 0; border-top: 1px solid #d8d8d8; margin: 0 0 1.1rem; padding: .7rem 0 0; min-width: 0; }
.four-d-multi-group legend { font-weight: 700; padding: 0 .4rem 0 0; }
.four-d-multi-group legend small { font-weight: 400; font-size: .82em; }
/* v0.1.7: responsive three-column grid, scoped to the 4D selection cards only.
 * Keep the label independently wrappable and the price readable. */
.four-d-multi-reamer, .four-d-multi-other {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 17px minmax(0, 1fr) max-content;
  align-items: center;
  column-gap: .7rem;
  row-gap: .25rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: transparent;
  padding: .65rem .8rem;
  margin: .35rem 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}
.four-d-multi-reamer:hover, .four-d-multi-other:hover { border-color: #888; }
.four-d-multi-reamer.is-selected { border-color: #444; background: rgba(128,128,128,.08); }
.four-d-multi-circle { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; box-sizing: border-box; }
.four-d-multi-reamer.is-selected .four-d-multi-circle { box-shadow: inset 0 0 0 3px #fff; background: currentColor; }
.four-d-multi-other input { width: 17px; height: 17px; min-width: 17px; margin: 0; cursor: pointer; }
.four-d-multi-label { min-width: 0; overflow-wrap: anywhere; }
.four-d-multi-price { min-width: 0; justify-self: end; white-space: nowrap; }
.four-d-multi-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: .6rem 0 1rem; }
.four-d-multi-clear { font-size: .9em; border: 0; background: none; color: inherit; text-decoration: underline; cursor: pointer; }
.four-d-multi-reamer:focus-visible, .four-d-multi-clear:focus-visible, .four-d-multi-other:focus-within { outline: 2px solid currentColor; outline-offset: 2px; }

/* At phone or narrow product-column widths, show price below the description.
 * Container queries handle narrow columns even when the viewport is wide. */
@container four-d-selector (max-width: 420px) {
  .four-d-multi-reamer .four-d-multi-price,
  .four-d-multi-other .four-d-multi-price {
    grid-column: 2 / -1;
    grid-row: 2;
  }
}
/* Fallback for browsers without CSS container queries. */
@supports not (container-type: inline-size) {
  @media (max-width: 600px) {
    .four-d-multi-picker .four-d-multi-reamer .four-d-multi-price,
    .four-d-multi-picker .four-d-multi-other .four-d-multi-price { grid-column: 2 / -1; grid-row: 2; }
  }
}
/* A multi-selection always rents one unit of each variation. Do not show Woo's quantity spinner. */
.four-d-multi-active .woocommerce-variation-add-to-cart > .quantity { display: none !important; }


/* v0.1.4: selector-only, admin-adjustable colors and shape. */
.four-d-multi-picker { color: var(--four-d-text, inherit); }
.four-d-multi-picker .four-d-multi-instructions,
.four-d-multi-picker .four-d-multi-group legend small,
.four-d-multi-picker .four-d-multi-count { color: var(--four-d-muted, #666); }
.four-d-multi-picker .four-d-multi-group { border-top-color: var(--four-d-border, #ddd); }
.four-d-multi-picker .four-d-multi-reamer,
.four-d-multi-picker .four-d-multi-other { color: var(--four-d-text, inherit); background: var(--four-d-card-bg, #fff); border-color: var(--four-d-border, #ddd); border-radius: var(--four-d-radius, 4px); }
.four-d-multi-picker .four-d-multi-reamer:hover,
.four-d-multi-picker .four-d-multi-other:hover { border-color: var(--four-d-selected-border, #444); }
.four-d-multi-picker .four-d-multi-reamer.is-selected { border-color: var(--four-d-selected-border, #444); background: var(--four-d-selected-bg, #f4f4f4); }
/* Match independent gauge/report checkboxes to the reamer's selected styling.
 * A checked checkbox remains visibly selected even after focus moves away;
 * :focus-within below continues to provide a distinct keyboard focus outline.
 * :has() is supported by current Firefox, Chromium/Brave, and Safari browsers.
 * Older browsers retain a functional native checked checkbox. */
.four-d-multi-picker .four-d-multi-other:has(> input[type="checkbox"]:checked) {
  border-color: var(--four-d-selected-border, #444);
  background: var(--four-d-selected-bg, #f4f4f4);
}
.four-d-multi-picker .four-d-multi-reamer.is-selected .four-d-multi-circle { color: var(--four-d-selected-border, #444); }
.four-d-multi-picker .four-d-multi-price,
.four-d-multi-picker .four-d-multi-price * { color: var(--four-d-price, #008300) !important; }
.four-d-multi-picker .four-d-multi-clear { color: var(--four-d-muted, #666); }
.four-d-multi-picker .four-d-multi-reamer:focus-visible,
.four-d-multi-picker .four-d-multi-clear:focus-visible,
.four-d-multi-picker .four-d-multi-other:focus-within { outline-color: var(--four-d-selected-border, #444); }

/* Hide WPC display cards only after 4D's native-form compatibility checks pass. */
.four-d-multi-legacy-hidden .woovr-variations,
.four-d-multi-legacy-hidden .woovr-variation-wrap,
.four-d-multi-legacy-hidden .woovr-variation-wrapper,
.four-d-multi-legacy-hidden .woovr-variation-select,
.four-d-multi-legacy-hidden .woovr-variation-list,
.four-d-multi-legacy-hidden .woovr-variations-wrapper,
.four-d-multi-legacy-hidden .woovr-variation { display: none !important; }