/* Shared list controls, loaded with the shell: the picker menu (/js/picker.js) and the
   in-place swap region (/js/swap.js). See docs/community/DESIGN.md. */

/* Picker: a native select without scripts; a button and styled listbox with them. */
.picker {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.picker-label {
  font-size: var(--text-sm);
  color: var(--muted);
}
.picker-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  min-height: var(--tap);
  padding: 0 var(--space-3) 0 var(--space-4);
  border: 1px solid var(--field-line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: var(--text-ui);
  font-weight: var(--weight-regular);
  text-align: left;
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition:
    border-color var(--duration-fast),
    box-shadow var(--duration-fast);
}
.picker-button:hover,
.picker-button:active {
  border-color: var(--muted);
  background: var(--surface);
  color: var(--ink);
  transform: none;
}
.picker-button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.picker-button[aria-expanded="true"] {
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}
.picker-value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.picker-button svg {
  flex: none;
  width: 18px;
  height: 18px;
  color: var(--muted);
  transition: transform var(--duration) var(--ease-out);
}
.picker-button[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.picker-panel {
  position: fixed;
  inset: auto;
  margin: 0;
  width: max-content;
  max-width: min(420px, calc(100vw - 24px));
  padding: var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
  overflow: auto;
  overscroll-behavior: contain;
}
.picker-panel:popover-open {
  display: flex;
  flex-direction: column;
  animation: picker-in var(--duration) var(--ease-out);
}
.picker-panel::backdrop {
  background: transparent;
}
@keyframes picker-in {
  from {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
  }
}
.picker-title {
  display: none;
}
.picker-search {
  flex: none;
  margin-bottom: var(--space-2);
}
.picker-status {
  margin: 0 var(--space-3) var(--space-2);
  color: var(--muted);
  font-size: var(--text-sm);
}
.picker-status:empty {
  display: none;
}
.picker-list {
  margin: 0;
  padding: 0;
  list-style: none;
  outline: none;
}
.picker-list [role="option"] {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-ui);
  line-height: var(--leading-snug);
  cursor: pointer;
  user-select: none;
}
.picker-list [role="option"].is-active {
  background: var(--surface-hover);
}
.picker-list:focus-visible [role="option"].is-active {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}
.picker-list [role="option"][aria-selected="true"] {
  color: var(--accent);
  font-weight: var(--weight-strong);
  background: var(--accent-wash);
}
.picker-list [role="option"] svg {
  flex: none;
  width: 18px;
  height: 18px;
  visibility: hidden;
}
.picker-list [role="option"][aria-selected="true"] svg {
  visibility: visible;
}

@media (hover: none), (pointer: coarse) {
  .picker-list [role="option"] {
    min-height: var(--tap);
  }
}

@media (max-width: 767.98px) {
  .picker-panel {
    inset: auto 0 0 0;
    width: 100%;
    max-width: none;
    max-height: 72dvh;
    padding: var(--space-5) var(--space-3)
      calc(var(--space-4) + var(--safe-bottom));
    border: 0;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }
  .picker-panel:popover-open {
    animation: picker-sheet-up var(--duration-slow) var(--ease-out);
  }
  .picker-panel::backdrop {
    background: var(--scrim);
  }
  .picker-title {
    display: block;
    margin: 0 var(--space-3) var(--space-3);
    font-size: var(--text-lg);
    font-weight: var(--weight-strong);
    letter-spacing: var(--tracking-title);
  }
  .picker-list [role="option"] {
    min-height: var(--tap);
    font-size: var(--text-base);
  }
}
@keyframes picker-sheet-up {
  from {
    transform: translateY(100%);
  }
}

/* In-place swap region: while an uncached view loads, the old list fades back. */
.swap-region.is-swapping [data-endless],
.swap-region.is-swapping .canvas,
.swap-region.is-swapping .catalog-grid {
  opacity: 0.45;
  transition: opacity var(--duration) var(--ease-out) 120ms;
}