/* Custom dropdown — shop_design §6.5 / ERR-82 */

.custom-dropdown {
  position: relative;
  display: inline-block;
  min-width: 11rem;
  max-width: 100%;
}

.custom-dropdown--full {
  display: block;
  width: 100%;
  min-width: 0;
}

.custom-dropdown__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  width: 100%;
  min-height: var(--touch);
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-ink);
  font: inherit;
  font-size: var(--text-sm);
  text-align: left;
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.custom-dropdown__trigger:hover {
  border-color: var(--color-coral-mist);
}

.custom-dropdown__trigger:focus-visible {
  outline: none;
  border-color: var(--color-coral);
  box-shadow: 0 0 0 3px rgba(212, 120, 92, 0.18);
}

.custom-dropdown.is-open .custom-dropdown__trigger {
  border-color: var(--color-coral);
  box-shadow: 0 0 0 3px rgba(212, 120, 92, 0.18);
}

.custom-dropdown__label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-dropdown__chevron {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  color: var(--color-coral);
  transition: transform var(--dur-fast) var(--ease-out);
}

.custom-dropdown.is-open .custom-dropdown__chevron {
  transform: rotate(180deg);
}

.custom-dropdown__menu {
  position: absolute;
  z-index: calc(var(--z-header) + 5);
  top: calc(100% + 0.35rem);
  left: 0;
  right: 0;
  margin: 0;
  padding: var(--sp-2);
  list-style: none;
  display: none;
  max-height: min(18rem, 50vh);
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.custom-dropdown.is-open .custom-dropdown__menu,
.custom-dropdown__menu.is-ported-open {
  display: grid;
  gap: 0.15rem;
}

.custom-dropdown__option {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.75rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-ink);
  font: inherit;
  font-size: var(--text-sm);
  text-align: left;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.custom-dropdown__option:hover,
.custom-dropdown__option:focus-visible {
  background: var(--color-coral-soft);
  color: var(--color-coral-deep);
  outline: none;
}

.custom-dropdown__option[aria-selected="true"] {
  background: var(--color-coral);
  color: #fff;
}

.custom-dropdown__option[aria-selected="true"]:hover,
.custom-dropdown__option[aria-selected="true"]:focus-visible {
  background: var(--color-coral-hover);
  color: #fff;
}

.custom-dropdown select.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .custom-dropdown__chevron,
  .custom-dropdown__trigger,
  .custom-dropdown__option {
    transition: none;
  }
}