/* ==========================================================================
   TechStore — Category / product-listing page
   ========================================================================== */

/* --------------------------------------------------------------------------
   Page header / breadcrumb
   -------------------------------------------------------------------------- */
.page-head {
  background: var(--surface-soft);
  border-bottom: 1px solid var(--line);
  padding-block: 0.9rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: var(--fs-sm);
  margin: 0;
  padding: 0;
}

.breadcrumb a {
  color: var(--ink-600);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb .sep {
  color: var(--ink-400);
  font-size: 0.7rem;
}

.breadcrumb .is-current {
  color: var(--ink);
  font-weight: 700;
}

.page-title-row {
  background: #fff;
  padding-block: clamp(1.25rem, 2.5vw, 2rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-title-row h1 {
  font-size: var(--fs-xl);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.result-count {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-500);
  background: var(--surface-soft);
  border-radius: var(--r-pill);
  padding: 0.2rem 0.7rem;
}

/* Category chips under the title */
.cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}

.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 0.35rem 0.85rem;
  transition: all 0.18s var(--ease);
}

.cat-chip:hover,
.cat-chip.is-active {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--on-brand);
}

/* --------------------------------------------------------------------------
   Listing shell
   -------------------------------------------------------------------------- */
.listing {
  padding-block: clamp(1.25rem, 2.5vw, 2rem);
}

.listing__grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(1rem, 2vw, 1.75rem);
  align-items: start;
}

/* --------------------------------------------------------------------------
   Filter sidebar
   -------------------------------------------------------------------------- */
.filter-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-h) + var(--nav-h) + 14px);
}

.filter-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-mute);
}

.filter-panel__head h2 {
  font-size: var(--fs-md);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-panel__head h2 i {
  color: var(--brand);
}

.btn-reset {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ink-500);
  background: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.16s var(--ease);
}

.btn-reset:hover {
  color: var(--danger);
}

.filter-group {
  border-bottom: 1px solid var(--line);
}

.filter-group__summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.filter-group__summary::-webkit-details-marker {
  display: none;
}

.filter-group__summary::after {
  content: "\f077";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.65rem;
  color: var(--ink-400);
  margin-left: auto;
  transition: transform 0.2s var(--ease);
}

.filter-group[open] .filter-group__summary::after {
  transform: rotate(180deg);
  color: var(--brand);
}

.filter-group__summary .req {
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand);
}

.filter-group__body {
  padding: 0 1rem 0.9rem;
}

.filter-group__list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 260px;
  overflow-y: auto;
}

.filter-check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.3rem 0;
  font-size: var(--fs-base);
  color: var(--ink-600);
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: color 0.15s var(--ease);
}

.filter-check:hover {
  color: var(--ink);
}

.filter-check input {
  appearance: none;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  border: 1px solid var(--ink-400);
  border-radius: 5px;
  background: #fff;
  display: inline-grid;
  place-content: center;
  cursor: pointer;
  transition: all 0.16s var(--ease);
}

.filter-check input::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.6rem;
  color: #fff;
  transform: scale(0);
  transition: transform 0.16s var(--ease);
}

.filter-check input:checked {
  background: var(--brand);
  border-color: var(--brand);
}

.filter-check input:checked::before {
  transform: scale(1);
}

.filter-check input:focus-visible {
  box-shadow: 0 0 0 3px var(--brand-ring);
}

.filter-check em {
  margin-left: auto;
  font-style: normal;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--ink-400);
}

.filter-check input:checked ~ em {
  color: var(--brand);
}

.filter-check.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.filter-check.is-strong {
  color: var(--ink);
  font-weight: 600;
}

.filter-search {
  position: relative;
  margin-bottom: 0.6rem;
}

.filter-search input {
  padding-right: 2.2rem;
  font-size: var(--fs-sm);
}

.filter-search i {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-400);
  font-size: 0.8rem;
  pointer-events: none;
}

/* Price filter */
.price-fields {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
}

.price-fields label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--ink-500);
}

.price-fields .input-wrap {
  position: relative;
}

.input-currency {
  position: absolute;
  left: 0.55rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--fs-sm);
  color: var(--ink-400);
}

.price-fields input {
  padding-left: 1.6rem;
}

.filter-actions {
  display: flex;
  gap: 0.4rem;
}

/* Sticky mobile filter bar */
.filter-fab {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 1075;
  display: none;
  align-items: center;
  gap: 0.45rem;
  background: var(--ink);
  color: #fff;
  border: 0;
  border-radius: var(--r-pill);
  padding: 0.7rem 1.1rem;
  font-weight: 700;
  box-shadow: var(--sh-lg);
  cursor: pointer;
}

.filter-fab .count {
  background: var(--brand);
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  min-width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  font-weight: 800;
}

.filter-fab.is-hidden {
  display: none;
}

/* Short spec rows rendered inside listing cards */
.product-card__specs {
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0.45rem 0.35rem 0;
  border-top: 1px dashed var(--line);
  font-size: 0.72rem;
  line-height: 1.35;
}

.product-card__specs li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.product-card__specs span {
  color: var(--ink-500);
}

.product-card__specs b {
  font-weight: 600;
  color: var(--ink);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-dark .product-card__specs {
  border-top-color: #2f2f36;
}

.section-dark .product-card__specs span {
  color: #a1a1aa;
}

.section-dark .product-card__specs b {
  color: #e4e4e7;
}

.product-grid-slots.is-list .product-card__specs {
  max-width: 320px;
}

/* --------------------------------------------------------------------------
   Toolbar
   -------------------------------------------------------------------------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 0.7rem 0.9rem;
  margin-bottom: 1rem;
}

.toolbar__count {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-600);
}

.toolbar__count strong {
  color: var(--brand-darker);
}

.toolbar__spacer {
  flex: 1 1 auto;
}

.toolbar__control {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-600);
  white-space: nowrap;
}

.toolbar__control .form-select,
.toolbar__control .form-control {
  font-size: var(--fs-sm);
  padding-block: 0.35rem;
  border-radius: var(--r-md);
}

.view-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.view-toggle button {
  width: 38px;
  height: 34px;
  border: 0;
  background: #fff;
  color: var(--ink-500);
  cursor: pointer;
  transition: all 0.16s var(--ease);
}

.view-toggle button + button {
  border-left: 1px solid var(--line);
}

.view-toggle button.is-active {
  background: var(--brand);
  color: #fff;
}

/* Active filter chips */
.active-filters {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.active-filters:empty {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
  background: var(--brand-soft);
  border: 1px solid #dcefd0;
  border-radius: var(--r-pill);
  padding: 0.3rem 0.85rem;
}

.chip button {
  border: 0;
  background: transparent;
  color: var(--ink-500);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0;
  line-height: 1;
  transition: color 0.15s var(--ease);
}

.chip button:hover {
  color: var(--danger);
}

.chip--clear {
  background: transparent;
  border-color: transparent;
  color: var(--brand);
  font-weight: 700;
  cursor: pointer;
  border: 0;
}

.chip--clear:hover {
  color: var(--brand-darker);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Product grid / list
   -------------------------------------------------------------------------- */
.product-grid-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

@media (max-width: 575.98px) {
  .product-grid-slots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }
}

/* List layout: card turns into a horizontal row */
.product-grid-slots.is-list {
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
}

.product-grid-slots.is-list .product-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
}

@media (min-width: 576px) {
  .product-grid-slots.is-list .product-card {
    grid-template-columns: 170px minmax(0, 1fr);
  }
}

.product-grid-slots.is-list .product-card__media {
  aspect-ratio: auto;
  height: 100%;
  min-height: 150px;
}

.product-grid-slots.is-list .product-card__body {
  text-align: left;
  align-items: flex-start;
}

.product-grid-slots.is-list .product-card__rating {
  justify-content: flex-start;
}

.product-grid-slots.is-list .product-card__foot {
  width: 100%;
}

.product-grid-slots.is-list .product-card__foot .btn {
  max-width: 220px;
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.per-page {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-600);
}

.per-page .form-select {
  width: auto;
  font-size: var(--fs-sm);
}

.pagination {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-link {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md) !important;
  background: #fff;
  color: var(--ink);
  font-size: var(--fs-sm);
  font-weight: 600;
  transition: all 0.16s var(--ease);
}

.page-link:hover {
  border-color: var(--brand);
  color: var(--brand-darker);
}

.page-item.is-active .page-link {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: var(--sh-brand);
}

.page-item.is-disabled .page-link {
  opacity: 0.4;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--r-xl);
}

.empty-state i {
  font-size: 3rem;
  color: var(--line);
  margin-bottom: 0.75rem;
}

.empty-state h3 {
  font-size: var(--fs-lg);
  margin-bottom: 0.4rem;
}

.empty-state p {
  color: var(--ink-600);
  max-width: 40ch;
  margin: 0 auto 1rem;
}

/* --------------------------------------------------------------------------
   Listing SEO copy
   -------------------------------------------------------------------------- */
.listing-seo {
  margin-top: clamp(2rem, 4vw, 3rem);
}

/* --------------------------------------------------------------------------
   Mobile: sidebar becomes an off-canvas sheet
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .listing__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .filter-panel {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(340px, 88vw);
    z-index: 1085;
    border-radius: 0;
    border: 0;
    box-shadow: var(--sh-lg);
    transform: translateX(-105%);
    transition: transform 0.3s var(--ease);
    display: flex;
    flex-direction: column;
    max-height: 100vh;
  }

  .filter-panel.is-open {
    transform: translateX(0);
  }

  .filter-panel__body {
    overflow-y: auto;
    flex: 1;
  }

  .filter-panel__foot {
    border-top: 1px solid var(--line);
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .filter-scrim {
    position: fixed;
    inset: 0;
    background: rgba(9, 9, 11, 0.5);
    z-index: 1084;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
  }

  .filter-scrim.is-open {
    opacity: 1;
    visibility: visible;
  }

  .filter-fab {
    display: inline-flex;
  }

  .toolbar__count {
    order: -1;
    width: 100%;
  }
}