/* ================================================================
   WP Cart — FAB, Slideout Panel, Add to Cart Button
   Adapted from warphilosophy.com Astro cart design.
   Uses ACSS variables and utility classes throughout.
   All selectors written flat for compatibility.
   ================================================================ */

/* ── Floating cart button ─────────────────────────────────────────── */

.wp-cart-fab {
  position: fixed;
  inset-block-end: var(--space-l);
  inset-inline-end: var(--space-l);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  border: none;
  border-radius: 50%;
  background-color: var(--primary);
  color: var(--white);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: var(--btn-transition);
}

.wp-cart-fab[hidden] {
  display: none;
}

.wp-cart-fab:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.wp-cart-fab:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.wp-cart-fab__count {
  position: absolute;
  inset-block-start: -0.25rem;
  inset-inline-end: -0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 1.25rem;
  block-size: 1.25rem;
  padding-inline: 0.25rem;
  border-radius: 999px;
  background-color: var(--heading-color);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1;
}

/* ── Slideout wrapper (shared stacking context) ──────────────────── */

.wp-cart-slideout {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
}

/* ── Overlay (backdrop) ──────────────────────────────────────────── */

.wp-cart-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.wp-cart-slideout--open .wp-cart-overlay {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

/* ── Slideout panel ───────────────────────────────────────────────── */

.wp-cart-panel {
  position: absolute;
  inset-block-start: 0;
  inset-block-end: 0;
  inset-inline-end: 0;
  display: flex;
  flex-direction: column;
  inline-size: min(26rem, 100vw);
  background-color: var(--white);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s ease-out;
  pointer-events: auto;
}

.wp-cart-panel--open {
  transform: translateX(0);
}

/* ── Panel header ─────────────────────────────────────────────────── */

.wp-cart-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-m);
  padding-inline: var(--space-l);
  border-block-end: 1px solid var(--neutral-ultra-light);
  flex-shrink: 0;
}

.wp-cart-panel__title {
  font-size: var(--h5);
  font-weight: var(--heading-font-weight);
  color: var(--heading-color);
  margin: 0;
}

.wp-cart-panel__title-count {
  font-weight: 400;
  color: var(--neutral);
}

.wp-cart-panel__close {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--neutral);
  border-radius: var(--radius-s);
}

.wp-cart-panel__close:hover {
  color: var(--heading-color);
}

.wp-cart-panel__close:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── Panel body (scrollable) ──────────────────────────────────────── */

.wp-cart-panel__body {
  flex: 1;
  overflow-y: auto;
  padding-inline: var(--space-l);
}

/* ── Cart item ────────────────────────────────────────────────────── */

.wp-cart-panel__item {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  padding-block: var(--space-m);
  border-block-end: 1px solid var(--neutral-ultra-light);
}

.wp-cart-panel__item-details {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  flex: 1;
  min-inline-size: 0;
}

.wp-cart-panel__item-name {
  font-size: var(--text-s);
  font-weight: 600;
  color: var(--heading-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wp-cart-panel__item-format {
  font-size: var(--text-xs);
  color: var(--neutral);
}

.wp-cart-panel__item-price {
  flex-shrink: 0;
  font-size: var(--text-s);
  font-weight: 600;
  color: var(--heading-color);
}

.wp-cart-panel__item-remove {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--neutral);
  border-radius: var(--radius-s);
}

.wp-cart-panel__item-remove:hover {
  color: var(--danger);
}

.wp-cart-panel__item-remove:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── Empty state ──────────────────────────────────────────────────── */

.wp-cart-panel__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-m);
  padding-block: var(--space-xxl);
  text-align: center;
}

.wp-cart-panel__empty-text {
  font-size: var(--text-m);
  color: var(--neutral);
  margin: 0;
}

.wp-cart-panel__empty-link {
  font-size: var(--text-s);
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
}

.wp-cart-panel__empty-link:hover {
  text-decoration: underline;
}

/* ── Panel footer ─────────────────────────────────────────────────── */

.wp-cart-panel__footer {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: var(--space-l);
  border-block-start: 1px solid var(--neutral-ultra-light);
  flex-shrink: 0;
}

.wp-cart-panel__footer[hidden] {
  display: none;
}

/* Checkout button: two-class selector (0,2,0) beats ACSS [class*="btn--"] (0,1,0). */

.wp-cart-panel__footer .wp-cart-panel__checkout {
  width: 100%;
  text-decoration: none;
}

.wp-cart-panel__continue {
  display: block;
  inline-size: 100%;
  margin-block-start: var(--space-xs);
  padding-block: var(--space-xs);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-s);
  color: var(--neutral);
  text-align: center;
}

.wp-cart-panel__continue:hover {
  color: var(--heading-color);
}

/* ── Add to Cart button (in format selector) ──────────────────────── */

.format-selector__cart-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-block-start: var(--space-m);
  padding-block: var(--btn-padding-block);
  padding-inline: var(--btn-padding-inline);
  background-color: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
  border-radius: var(--btn-radius);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  cursor: pointer;
  transition: var(--btn-transition);
  align-self: flex-start;
}

.format-selector__cart-btn:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.format-selector__cart-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.format-selector__cart-btn--in-cart {
  background-color: var(--neutral-ultra-light);
  border-color: var(--neutral-light);
  color: var(--neutral);
  cursor: pointer;
}

.format-selector__cart-btn--in-cart:hover {
  background-color: var(--neutral-light);
  border-color: var(--neutral);
  color: var(--heading-color);
}

/* ── Reduced motion ───────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .wp-cart-fab,
  .wp-cart-overlay,
  .wp-cart-panel,
  .format-selector__cart-btn,
  .wp-cart-slideout {
    transition: none;
  }
}