/* ─────────────────────────────────────────────────────────────────────────────
   PhamApps — shop.css
   Product listing, single product, gallery, sidebar filters, product card.
──────────────────────────────────────────────────────────────────────────────── */

/* ── Shop layout ──────────────────────────────────────────────────────────── */
.pa-shop-layout { padding: 2rem 0 3rem; }
.pa-shop-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}
.pa-shop-topbar__left { display: flex; align-items: center; gap: .75rem; }
.pa-shop-topbar__count { font-size: .875rem; color: var(--pa-text-muted); }
.pa-shop-grid {
  display: grid;
  grid-template-columns: var(--pa-sidebar) 1fr;
  gap: var(--pa-gap);
  align-items: start;
}
.pa-shop-products { position: relative; min-height: 200px; }

/* ── Taxonomy header ──────────────────────────────────────────────────────── */
.pa-taxonomy-header { margin-bottom: 1.5rem; }
.pa-taxonomy-header__title { font-size: 1.75rem; font-weight: 700; color: var(--pa-primary); margin-bottom: .25rem; }
.pa-taxonomy-header__desc { color: var(--pa-text-muted); }

/* ── Product grid / card ──────────────────────────────────────────────────── */
/* Styles live in main.css — no overrides here */
.pa-no-products { padding: 2rem; text-align: center; color: var(--pa-text-muted); }

/* ── Sidebar filters ──────────────────────────────────────────────────────── */
.pa-shop-sidebar {
  background: var(--pa-surface);
  border: 1px solid var(--pa-border);
  border-radius: var(--pa-radius-lg);
  padding: 1.25rem;
  position: sticky;
  top: calc(var(--pa-header-h) + 1rem);
}
.pa-sidebar-close { display: none; }
.pa-filter-section { margin-bottom: 1.5rem; }
.pa-filter-section:last-child { margin-bottom: 0; }
.pa-filter-section__title {
  font-size: .8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--pa-text-muted);
  margin-bottom: .75rem;
}
.pa-filter-list { display: flex; flex-direction: column; gap: .35rem; }
.pa-filter-list--sub { margin-top: .35rem; margin-left: 1rem; }
.pa-filter-radio, .pa-filter-checkbox {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .875rem;
  cursor: pointer;
  padding: .2rem .25rem;
  border-radius: var(--pa-radius-sm);
  transition: background var(--pa-transition);
}
.pa-filter-radio:hover, .pa-filter-checkbox:hover { background: var(--pa-primary-light); }
.pa-filter-radio.is-active { color: var(--pa-primary); font-weight: 600; }
.pa-filter-count { margin-left: auto; font-size: .75rem; color: var(--pa-text-muted); }
.pa-filter-select {
  width: 100%;
  padding: .45rem .65rem;
  border: 1.5px solid var(--pa-border);
  border-radius: var(--pa-radius-sm);
  font-size: .875rem;
  color: var(--pa-text);
  background: var(--pa-white);
  cursor: pointer;
}
.pa-price-range__inputs { display: flex; align-items: center; gap: .5rem; }
.pa-price-range__currency { font-size: .8125rem; color: var(--pa-text-muted); flex-shrink: 0; }
.pa-price-range__input { width: 80px; padding: .375rem .5rem; font-size: .8125rem; }
.pa-price-range__sep { color: var(--pa-text-muted); font-size: .875rem; }
.pa-filter-actions { display: flex; flex-direction: column; gap: .5rem; margin-top: 1.25rem; }

/* ── Single product ───────────────────────────────────────────────────────── */
.pa-single-product { padding: 2rem 0 4rem; }
.pa-single-product__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  align-items: start;
}

/* Product details */
.pa-single-product__cats { display: flex; gap: .35rem; flex-wrap: wrap; margin-bottom: .75rem; }
.pa-single-product__title { font-size: 1.875rem; font-weight: 800; line-height: 1.2; color: var(--pa-text); margin-bottom: .5rem; }
.pa-single-product__rating { display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; }
.pa-single-product__review-link { font-size: .875rem; color: var(--pa-text-muted); border-bottom: 1px dashed currentColor; }
.pa-single-product__sku { font-size: .8125rem; color: var(--pa-text-muted); margin-bottom: .75rem; }
.pa-single-product__sku code { background: var(--pa-bg); padding: .1em .4em; border-radius: var(--pa-radius-sm); font-family: var(--pa-mono); }
.pa-single-product__price-block { margin-bottom: 1.25rem; }
.pa-single-product__price { font-size: 2rem; font-weight: 800; color: var(--pa-primary); display: block; }
.pa-single-product__price--sale { color: var(--pa-red); }
.pa-single-product__price--was { font-size: .9375rem; color: var(--pa-text-muted); margin-top: .25rem; display: block; }
.pa-single-product__catalog-badge {
  display: inline-flex;
  align-items: center;
  padding: .6rem 1rem;
  background: var(--pa-primary-light);
  color: var(--pa-primary);
  border-radius: var(--pa-radius);
  font-weight: 600;
  font-size: .9375rem;
}
.pa-single-product__stock {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .875rem;
  font-weight: 600;
  margin-top: .5rem;
  display: block;
}
.pa-single-product__stock--in { color: #16a34a; }
.pa-single-product__stock--out { color: var(--pa-red); }

/* Add to cart row */
.pa-single-product__atc { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.pa-qty-control { display: flex; align-items: center; border: 1.5px solid var(--pa-border); border-radius: var(--pa-radius); overflow: hidden; }
.pa-qty-btn { width: 36px; height: 40px; background: var(--pa-bg); border: none; font-size: 1.125rem; color: var(--pa-text-muted); transition: background var(--pa-transition); }
.pa-qty-btn:hover { background: var(--pa-border); color: var(--pa-text); }
.pa-qty-input {
  width: 56px;
  height: 40px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--pa-border);
  border-right: 1px solid var(--pa-border);
  font-size: .9375rem;
  font-weight: 600;
  border-radius: 0;
  box-shadow: none;
}
.pa-atc-btn { padding: .7rem 1.5rem; }
.pa-wishlist-btn-lg { padding: .7rem 1rem; }

/* Product meta */
.pa-single-product__meta { border-top: 1px solid var(--pa-border); padding-top: 1rem; display: flex; flex-direction: column; gap: .35rem; }
.pa-single-product__meta-row { font-size: .8125rem; color: var(--pa-text-muted); }
.pa-single-product__meta-row a { color: var(--pa-primary); }
.pa-single-product__meta-row span { font-weight: 600; color: var(--pa-text); }

/* ── SPMV / also-sold ─────────────────────────────────────────────────────── */
.pa-spmv-block {
  margin-bottom: 1.75rem;
  background: var(--pa-white);
  border: 1.5px solid var(--pa-border);
  border-radius: var(--pa-radius);
  overflow: hidden;
}
.pa-spmv-block__title {
  font-family: var(--pa-font-headline);
  font-size: 1.05rem;
  font-weight: 600;
  padding: .85rem 1.15rem;
  background: var(--pa-bg);
  border-bottom: 1px solid var(--pa-border);
  color: var(--pa-text);
  margin: 0;
}
.pa-spmv-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.pa-spmv-table th, .pa-spmv-table td { padding: .75rem 1.15rem; border-bottom: 1px solid var(--pa-border); text-align: left; vertical-align: middle; }
.pa-spmv-table tr:last-child td { border-bottom: none; }
.pa-spmv-table tr:hover td { background: var(--pa-primary-light); }
.pa-spmv-table th { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--pa-text-muted); background: var(--pa-bg); }
.pa-spmv-table__logo { width: 32px; height: 32px; object-fit: cover; border-radius: var(--pa-radius-sm); border: 1px solid var(--pa-border); display: inline-block; vertical-align: middle; margin-right: .5rem; }
.pa-also-sold { margin-bottom: 1.25rem; }
.pa-also-sold__title { font-size: .875rem; font-weight: 600; color: var(--pa-text-muted); margin-bottom: .4rem; }
.pa-also-sold__list { display: flex; flex-wrap: wrap; gap: .4rem; }
.pa-also-sold__list li { font-size: .875rem; }

/* ── Product gallery ──────────────────────────────────────────────────────── */
.pa-gallery { display: flex; flex-direction: column; gap: .75rem; position: sticky; top: calc(var(--pa-header-h) + 1rem); }
.pa-gallery__main {
  border-radius: var(--pa-radius-lg);
  overflow: hidden;
  background: var(--pa-bg);
  aspect-ratio: 1;
  position: relative;
}
.pa-gallery__main-link { display: block; width: 100%; height: 100%; }
.pa-gallery__main-img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; transition: transform .3s ease; }
.pa-gallery__main-img:hover { transform: scale(1.03); }
.pa-gallery__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  color: var(--pa-text-muted);
  font-size: .875rem;
}
.pa-gallery__thumbs { display: flex; gap: .5rem; flex-wrap: wrap; }
.pa-gallery__thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--pa-radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--pa-bg);
  cursor: pointer;
  transition: border-color var(--pa-transition);
  padding: 0;
}
.pa-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pa-gallery__thumb.is-active { border-color: var(--pa-primary); }
.pa-gallery__thumb:hover { border-color: var(--pa-primary-hover); }

/* Lightbox */
.pa-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pa-lightbox[hidden] { display: none; }
.pa-lightbox__img-wrap { max-width: 90vw; max-height: 90vh; display: flex; align-items: center; justify-content: center; }
.pa-lightbox__img { max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: var(--pa-radius); }
.pa-lightbox__close, .pa-lightbox__prev, .pa-lightbox__next {
  position: absolute;
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: background var(--pa-transition);
}
.pa-lightbox__close:hover, .pa-lightbox__prev:hover, .pa-lightbox__next:hover { background: rgba(255,255,255,.3); }
.pa-lightbox__close { top: 1rem; right: 1rem; }
.pa-lightbox__prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.pa-lightbox__next { right: 1rem; top: 50%; transform: translateY(-50%); }

/* ── Product tabs ─────────────────────────────────────────────────────────── */
.pa-product-tabs { border: 1px solid var(--pa-border); border-radius: var(--pa-radius-lg); overflow: hidden; }
.pa-product-tabs__nav {
  display: flex;
  background: var(--pa-bg);
  border-bottom: 1px solid var(--pa-border);
}
.pa-tab {
  padding: .875rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--pa-text-muted);
  cursor: pointer;
  transition: color var(--pa-transition), border-color var(--pa-transition);
}
.pa-tab:hover { color: var(--pa-text); }
.pa-tab.is-active { color: var(--pa-primary); border-bottom-color: var(--pa-primary); background: var(--pa-white); }
.pa-product-tabs__content { background: var(--pa-white); }
.pa-tab-panel { padding: 1.75rem; }
.pa-tab-panel[hidden] { display: none; }
.pa-tab-panel.is-active { display: block; }

/* Reviews */
.pa-reviews-list { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 2rem; }
.pa-review { padding-bottom: 1.25rem; border-bottom: 1px solid var(--pa-border); }
.pa-review__header { display: flex; align-items: center; gap: .75rem; margin-bottom: .5rem; flex-wrap: wrap; }
.pa-review__author { font-weight: 600; }
.pa-review__date { font-size: .8125rem; color: var(--pa-text-muted); margin-left: auto; }
.pa-reviews-empty { color: var(--pa-text-muted); font-style: italic; }
.pa-review-form-wrap { margin-top: 2rem; }

/* ── Sidebar overlay (mobile) ─────────────────────────────────────────────── */
.pa-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 98;
}
.pa-sidebar-overlay.is-open { display: block; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pa-single-product__layout { grid-template-columns: 1fr; gap: 2rem; }
  .pa-gallery { position: static; }
}

@media (max-width: 900px) {
  .pa-shop-grid { grid-template-columns: 1fr; }
  .pa-shop-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: min(320px, 90vw);
    height: 100%;
    z-index: 99;
    border-radius: 0;
    overflow-y: auto;
    transition: left .25s ease;
    border: none;
    border-right: 1px solid var(--pa-border);
    box-shadow: var(--pa-shadow-lg);
  }
  .pa-shop-sidebar.is-open { left: 0; }
  .pa-sidebar-close {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1.25rem;
    background: none;
    border: none;
    color: var(--pa-text-muted);
    font-size: .9375rem;
    cursor: pointer;
    padding: 0;
  }
  .pa-filter-toggle { display: flex; }
}

@media (max-width: 640px) {
  .pa-product-grid { grid-template-columns: repeat(2, 1fr); gap: .875rem; }
  .pa-single-product__title { font-size: 1.5rem; }
  .pa-single-product__atc { flex-direction: column; align-items: stretch; }
  .pa-atc-btn, .pa-wishlist-btn-lg { width: 100%; justify-content: center; }
}

@media (max-width: 420px) {
  .pa-product-grid { grid-template-columns: 1fr; }
}