/* ==========================================================================
   Product detail modal + Cart drawer
   ========================================================================== */
.modal-scrim {
  position: fixed; inset: 0;
  background: oklch(0% 0 0 / 0.6);
  z-index: var(--z-modal-scrim);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-standard);
}
.modal-scrim.is-open { opacity: 1; pointer-events: auto; }

.product-modal {
  position: fixed; inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
}
@media (min-width: 860px) { .product-modal { align-items: center; } }

.product-modal-panel {
  pointer-events: auto;
  width: 100%;
  max-width: 980px;
  max-height: 92svh;
  background: var(--bg-900);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
}
.product-modal.is-open .product-modal-panel { transform: translateY(0); }

@media (min-width: 860px) {
  .product-modal-panel { border-radius: var(--radius-xl); max-height: 88svh; }
  .product-modal .product-modal-panel { transform: translateY(24px) scale(0.98); opacity: 0; transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out); }
  .product-modal.is-open .product-modal-panel { transform: none; opacity: 1; }
}

.modal-drag-handle { width: 40px; height: 4px; border-radius: 2px; background: var(--line-dark); margin: var(--sp-3) auto 0; flex-shrink: 0; }
@media (min-width: 860px) { .modal-drag-handle { display: none; } }

.modal-close {
  position: absolute; top: var(--sp-4); right: var(--sp-4);
  width: 38px; height: 38px; border-radius: 50%;
  background: oklch(100% 0 0 / 0.1);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
}

.modal-scroll-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 860px) { .modal-body { grid-template-columns: 1fr 1fr; } }

.modal-gallery { position: relative; background: oklch(100% 0 0); }
.modal-gallery-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  aspect-ratio: 1 / 1;
}
.modal-gallery-track img { scroll-snap-align: start; width: 100%; height: 100%; object-fit: contain; flex-shrink: 0; padding: var(--sp-6); }
.modal-gallery-dots { position: absolute; bottom: var(--sp-3); left: 50%; transform: translateX(-50%); display: flex; gap: 6px; }
.modal-gallery-dots span { width: 6px; height: 6px; border-radius: 50%; background: oklch(0% 0 0 / 0.2); transition: background-color var(--dur-fast), width var(--dur-fast); }
.modal-gallery-dots span.is-active { background: var(--red-500); width: 16px; border-radius: 3px; }
.modal-gallery-arrow {
  position: absolute; top: 50%; translate: 0 -50%;
  width: 38px; height: 38px; border-radius: 50%;
  background: oklch(100% 0 0 / 0.9); box-shadow: var(--shadow-sm);
  display: none; align-items: center; justify-content: center;
  color: var(--ink-on-light);
}
.modal-gallery-arrow[disabled] { opacity: 0.3; pointer-events: none; }
.modal-gallery-arrow.prev { left: var(--sp-3); }
.modal-gallery-arrow.next { right: var(--sp-3); }
@media (min-width: 860px) { .modal-gallery-arrow { display: flex; } }

.modal-info { padding: var(--sp-6) var(--sp-5) var(--sp-8); }
.modal-info .badge { margin-bottom: var(--sp-3); }
.modal-info h3 { font-size: var(--fs-h3); margin-bottom: var(--sp-2); }
.modal-brand { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-on-dark-faint); margin-bottom: var(--sp-1); }
.modal-price { font-size: var(--fs-xl); margin-top: var(--sp-3); display: block; }
.modal-price .price-from-label { font-size: var(--fs-xs); color: var(--ink-on-dark-faint); font-family: var(--font-body); font-weight: 500; display: block; margin-bottom: 2px; }
.modal-desc { margin-top: var(--sp-4); color: var(--ink-on-dark-dim); font-size: var(--fs-sm); line-height: 1.6; }
.modal-stock { margin-top: var(--sp-4); font-size: var(--fs-sm); display: flex; align-items: center; gap: var(--sp-2); }
.modal-stock .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok-500); }
.modal-actions { margin-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3); }
.modal-qty-row { display: flex; align-items: center; gap: var(--sp-4); margin-top: var(--sp-5); }
.qty-stepper { display: flex; align-items: center; border: 1px solid var(--line-dark); border-radius: var(--radius-pill); }
.qty-stepper button { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.qty-stepper span { min-width: 28px; text-align: center; font-family: var(--font-mono); }

.modal-related { padding: 0 var(--sp-5) var(--sp-8); }
.modal-related h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-on-dark-faint); margin-bottom: var(--sp-3); }
.modal-related-row { display: flex; gap: var(--sp-3); overflow-x: auto; }
.modal-related-row .product-card { min-width: 150px; }

/* ---- Cart drawer ---- */
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(94vw, 420px);
  background: var(--bg-900);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  display: flex; flex-direction: column;
  border-left: 1px solid var(--line-dark);
}
.cart-drawer.is-open { transform: translateX(0); }
.cart-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(var(--safe-t) + var(--sp-5)) var(--sp-5) var(--sp-4);
  border-bottom: 1px solid var(--line-dark-soft);
}
.cart-head h3 { font-size: var(--fs-lg); }
.cart-items { flex: 1; overflow-y: auto; padding: var(--sp-4) var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-4); }
.cart-item { display: flex; gap: var(--sp-3); }
.cart-item img { width: 64px; height: 64px; object-fit: contain; background: oklch(100% 0 0); border-radius: var(--radius-sm); flex-shrink: 0; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-size: var(--fs-sm); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cart-item-price { font-size: var(--fs-xs); color: var(--ink-on-dark-faint); margin-top: 2px; }
.cart-item-row { display: flex; align-items: center; justify-content: space-between; margin-top: var(--sp-2); }
.cart-item-remove { font-size: var(--fs-2xs); color: var(--ink-on-dark-faint); text-decoration: underline; }
.qty-stepper.sm button { width: 30px; height: 30px; font-size: 0.95rem; }

.cart-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: var(--sp-8); color: var(--ink-on-dark-faint); gap: var(--sp-4); }
.cart-empty svg { width: 56px; height: 56px; opacity: 0.4; }

.cart-foot { padding: var(--sp-5); border-top: 1px solid var(--line-dark-soft); }
.cart-subtotal-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--sp-4); }
.cart-subtotal-row .label { color: var(--ink-on-dark-dim); font-size: var(--fs-sm); }
.cart-subtotal-row .value { font-size: var(--fs-xl); }
.cart-foot .btn { width: 100%; }
.cart-foot .clear-cart { display: block; text-align: center; margin-top: var(--sp-3); font-size: var(--fs-xs); color: var(--ink-on-dark-faint); }