/* ================================================================
   LS Indústria - Página de Produtos
   ================================================================ */

/* ---- Page hero ---- */
.page-hero {
  position: relative;
  background: var(--dark2);
  padding: calc(var(--header-h-lg) + 2.5rem) 0 2.5rem;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(205,33,34,.15) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: url('assets/images/banner-retrovisor.jpg') center/cover no-repeat;
  opacity: .08;
}
.page-hero-content { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
  margin-bottom: .75rem;
}
.breadcrumb a { color: rgba(255,255,255,.4); }
.breadcrumb a:hover { color: rgba(255,255,255,.7); }
.breadcrumb span:last-child { color: var(--red); }
.page-hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: .4rem;
}
.page-hero-content p { color: rgba(255,255,255,.55); font-size: 1rem; }
.page-hero-content strong { color: var(--red); }

/* ---- Catalog layout ---- */
.catalog-main { padding: 2.5rem 0 4rem; background: var(--muted); min-height: 70vh; }
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}
/* sem isto a coluna 1fr nao encolhe abaixo do conteudo minimo da barra de
   busca, e no celular o catalogo vaza alguns pixels para fora da tela */
.catalog-content { min-width: 0; }

/* ---- Sidebar ---- */
.catalog-sidebar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--muted);
}
.sidebar-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
}
.clear-filters-btn {
  font-size: .75rem;
  color: var(--red);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  cursor: pointer;
  padding: 0;
}
.clear-filters-btn:hover { text-decoration: underline; }

.filter-group { margin-bottom: 1.5rem; }
.filter-title {
  font-family: 'Montserrat', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-lt);
  margin-bottom: .75rem;
}
.filter-options { display: flex; flex-direction: column; gap: .35rem; }
.filter-option {
  display: flex;
  align-items: center;
  gap: .6rem;
  cursor: pointer;
  font-size: .875rem;
  color: var(--gray);
  padding: .3rem 0;
  transition: color var(--trans);
  user-select: none;
}
.filter-option:hover { color: var(--dark); }
.filter-option input { display: none; }
.filter-check {
  width: 18px; height: 18px;
  border-radius: 4px;
  border: 2px solid var(--border);
  flex-shrink: 0;
  transition: var(--trans);
  position: relative;
}
.filter-option input:checked ~ .filter-check {
  background: var(--red);
  border-color: var(--red);
}
.filter-option input:checked ~ .filter-check::after {
  content: '';
  position: absolute;
  left: 4px; top: 1px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.filter-option .count {
  margin-left: auto;
  font-size: .72rem;
  color: var(--gray-lt);
  background: var(--muted);
  padding: .1rem .45rem;
  border-radius: 100px;
}

/* ---- Toolbar ---- */
.catalog-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.search-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: .875rem;
  width: 16px; height: 16px;
  stroke: var(--gray-lt);
  pointer-events: none;
}
#search-input {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  color: var(--dark);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: .7rem 2.5rem .7rem 2.5rem;
  outline: none;
  transition: var(--trans);
}
#search-input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(205,33,34,.1); }
.search-clear {
  position: absolute;
  right: .75rem;
  color: var(--gray-lt);
  display: none;
  align-items: center;
  justify-content: center;
}
.search-clear.visible { display: flex; }
.search-clear:hover { color: var(--dark); }

.toolbar-right {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}
.results-count {
  font-size: .8rem;
  color: var(--gray-lt);
  white-space: nowrap;
}
.view-toggle { display: flex; gap: .25rem; }
.view-btn {
  width: 34px; height: 34px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-lt);
  background: var(--white);
  border: 2px solid var(--border);
  transition: var(--trans);
}
.view-btn.active { background: var(--red); border-color: var(--red); color: var(--white); }
.view-btn:hover:not(.active) { border-color: var(--red); color: var(--red); }

.mobile-filter-btn {
  display: none;
  align-items: center;
  gap: .4rem;
  font-family: 'Montserrat', sans-serif;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--dark);
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: .5rem .875rem;
  position: relative;
}
.active-filter-badge {
  position: absolute;
  top: -6px; right: -6px;
  width: 18px; height: 18px;
  background: var(--red);
  color: var(--white);
  border-radius: 50%;
  font-size: .65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Active filter chips ---- */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1rem;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--white);
  border: 2px solid var(--red);
  color: var(--red);
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: .3rem .75rem;
  border-radius: 100px;
}
.filter-chip button {
  display: flex;
  align-items: center;
  color: var(--red);
  padding: 0;
  line-height: 1;
}
.filter-chip button:hover { color: var(--red-dark); }

/* ---- Product grid ---- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}
.product-grid.list-view {
  grid-template-columns: 1fr;
  gap: .75rem;
}

/* ---- Product card (grid) ---- */
.prod-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform var(--trans), box-shadow var(--trans);
  border: 2px solid transparent;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--red); }
.prod-card-img {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .75rem;
}
.prod-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .35s ease;
}
.prod-card:hover .prod-card-img img { transform: scale(1.06); }
.prod-card-body { padding: .875rem; }
.prod-card-tag {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--red);
  margin-bottom: .35rem;
}
.prod-card-ref {
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: .2rem;
}
.prod-card-name {
  font-size: .78rem;
  color: var(--gray-lt);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prod-card-linha {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .65rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-top: .5rem;
  color: var(--gray-lt);
}
.prod-card-linha::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gray-lt);
  flex-shrink: 0;
}
.prod-card-linha.pesada { color: #d97706; }
.prod-card-linha.pesada::before { background: #d97706; }
.prod-card-desc {
  font-size: .72rem;
  color: var(--gray-lt);
  line-height: 1.4;
  margin-top: .3rem;
  opacity: .85;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- List view card ---- */
.product-grid.list-view .prod-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .875rem;
  border-radius: var(--radius);
}
.product-grid.list-view .prod-card-img {
  width: 72px; height: 72px;
  flex-shrink: 0;
  border-radius: var(--radius);
  aspect-ratio: auto;
  padding: .4rem;
}
.product-grid.list-view .prod-card-body { padding: 0; flex: 1; }
.product-grid.list-view .prod-card-name { -webkit-line-clamp: 1; }

/* ---- Placeholder card (no image) ---- */
.prod-card-img .no-img {
  width: 48px; height: 48px;
  opacity: .2;
}

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 5rem 1rem;
  color: var(--gray-lt);
}
.empty-state svg { margin: 0 auto 1rem; stroke: var(--gray-lt); }
.empty-state h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: .4rem;
}
.empty-state p { margin-bottom: 1.5rem; }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .4rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.page-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 2px solid var(--border);
  color: var(--dark);
  transition: var(--trans);
  cursor: pointer;
}
.page-btn:hover { border-color: var(--red); color: var(--red); }
.page-btn.active { background: var(--red); border-color: var(--red); color: var(--white); }
.page-btn:disabled { opacity: .35; cursor: not-allowed; }
.page-btn:disabled:hover { border-color: var(--border); color: var(--dark); }
.page-ellipsis {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-lt);
  font-size: .9rem;
}

/* ---- Product modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
/* display:flex ganha do display:none que o atributo [hidden] aplica */
.modal-backdrop[hidden],
.modal-img-col[hidden] { display: none; }
.product-modal:has(.modal-img-col[hidden]) { grid-template-columns: 1fr; }

.product-modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  position: relative;
  animation: slideUp .25s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-close {
  position: absolute;
  top: .875rem;
  right: .875rem;
  z-index: 1;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  transition: var(--trans);
}
.modal-close:hover { background: var(--red); color: var(--white); }

.modal-img-col {
  background: var(--muted);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.modal-img-col img {
  max-width: 100%;
  max-height: 240px;
  object-fit: contain;
}

.modal-info-col { padding: 2rem 2rem 2rem 1.5rem; }
.modal-tag {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--red);
  background: rgba(205,33,34,.08);
  padding: .25rem .75rem;
  border-radius: 100px;
  margin-bottom: .75rem;
}
.modal-info-col h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 1.25rem;
}
.modal-meta { display: flex; flex-direction: column; gap: .75rem; margin-bottom: 1.5rem; }
.modal-meta-item { display: flex; flex-direction: column; gap: .15rem; }
.modal-meta-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-lt);
}
.modal-meta-value {
  font-size: .9rem;
  font-weight: 600;
  color: var(--dark);
}
.modal-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.modal-note { font-size: .78rem; color: var(--gray-lt); line-height: 1.5; }

/* ---- Skeleton loader ---- */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1500;
    width: 300px;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform .3s ease;
    overflow-y: auto;
    padding-top: 1.5rem;
  }
  .catalog-sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,.2); }
  .mobile-filter-btn { display: flex; }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1400;
    display: none;
  }
  .sidebar-overlay.visible { display: block; }
}

@media (max-width: 600px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .search-wrap { min-width: 100%; }
  /* a contagem + os botoes de visualizacao + o botao de filtros nao cabem
     lado a lado numa tela estreita; sem isto a barra empurra o catalogo */
  .toolbar-right {
    width: 100%;
    flex-wrap: wrap;
    flex-shrink: 1;
    justify-content: space-between;
  }
  .results-count { white-space: normal; }
  .product-modal { grid-template-columns: 1fr; }
  .modal-img-col { border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 1.5rem; }
  .modal-img-col img { max-height: 180px; }
  .modal-info-col { padding: 1.25rem; }
}