/**
 * category-page.css — Category Product Listing Page
 * Covers: promo banner, toolbar, filter sidebar, product grid, pagination, empty state.
 */

/* =============================================
   PAGE WRAPPER
============================================= */
.plp {
  background-color: var(--color-bg-secondary);
  min-height: 60vh;
}

.plp__container {
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* =============================================
   PROMO BANNER
============================================= */
.plp-banner {
  padding-block: var(--space-5);
  background-color: var(--color-bg-secondary);
}

.plp-banner__inner {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  min-height: 180px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.plp-banner__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.plp-banner__bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  z-index: 0;
  transition: transform 6s ease, opacity 0.4s ease;
}

.plp-banner__slide.active .plp-banner__bg-img {
  transform: scale(1.04);
  opacity: 0.48;
}

.plp-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.40) 60%, rgba(0,0,0,0.15) 100%);
  z-index: 1;
}

/* Image-only banner styling */
.plp-banner__slide--image-only .plp-banner__overlay {
  background: transparent;
}

.plp-banner__slide--image-only .plp-banner__bg-img {
  opacity: 1;
}

.plp-banner__slide.active.plp-banner__slide--image-only .plp-banner__bg-img {
  opacity: 1;
}

.plp-banner__slide--image-only .plp-banner__illustration {
  display: none;
}

.plp-banner__content {
  position: relative;
  z-index: 2;
  padding: var(--space-8) var(--space-10);
  max-width: 560px;
}

.plp-banner__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-2);
}

.plp-banner__title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--font-extrabold);
  color: #fff;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
}

.plp-banner__subtitle {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.plp-banner__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background-color: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-lg);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: var(--transition-base);
}

.plp-banner__cta:hover {
  background-color: rgba(255,255,255,0.28);
  color: #fff;
}

/* Illustration side */
.plp-banner__illustration {
  position: absolute;
  right: var(--space-10);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.95;
}

.plp-banner__illustration-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
  transition: transform 0.4s var(--ease-out);
}

.plp-banner__slide.active .plp-banner__illustration-img {
  transform: scale(1.03);
}

/* Multi-banner slider on category PLP */
.plp-banner__slider-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.plp-banner__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  width: 100%;
}

.plp-banner__slide {
  min-width: 100%;
  position: relative;
  min-height: 180px;
  display: flex;
  align-items: center;
}

.plp-banner__nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  backdrop-filter: blur(8px);
  transition: var(--transition-base);
}

.plp-banner__nav-btn:hover {
  background: rgba(0, 0, 0, 0.65);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-50%) scale(1.05);
}

.plp-banner__nav-btn--prev { left: var(--space-4); }
.plp-banner__nav-btn--next { right: var(--space-4); }

.plp-banner__dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 10;
}

.plp-banner__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  padding: 0;
}

.plp-banner__dot.active {
  background: #fff;
  width: 22px;
}

/* =============================================
   TOOLBAR
============================================= */
.plp-toolbar {
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-light);
  padding-block: var(--space-3);
  position: sticky;
  top: calc(var(--cat-strip-height) + 72px);
  z-index: calc(var(--z-sticky) - 2);
  box-shadow: var(--shadow-xs);
}

.plp-toolbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.plp-toolbar__left {}

.plp-toolbar__category {
  font-size: var(--text-lg);
  font-weight: var(--font-extrabold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.plp-toolbar__count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.plp-toolbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Filter toggle (mobile) */
.plp-toolbar__filter-btn {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary-50);
  color: var(--color-primary-700);
  border: 1.5px solid var(--color-primary-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: var(--transition-fast);
}

.plp-toolbar__filter-btn svg { width: 16px; height: 16px; }

.plp-toolbar__filter-btn:hover {
  background-color: var(--color-primary-700);
  color: #fff;
  border-color: var(--color-primary-700);
}

/* Sort dropdown */
.plp-sort {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.plp-sort__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.plp-sort__select {
  padding: var(--space-2) var(--space-3);
  padding-right: var(--space-8);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  background-color: var(--color-bg-card);
  border: 1.5px solid var(--color-border-medium);
  border-radius: var(--radius-lg);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23767880' stroke-width='2'%3E%3Cpolyline points='4 6 8 10 12 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.plp-sort__select:focus {
  outline: none;
  border-color: var(--color-primary-700);
}

/* =============================================
   MAIN CONTENT: sidebar + grid
============================================= */
.plp-body {
  padding-block: var(--space-6) var(--space-12);
}

.plp-body__inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-6);
  align-items: start;
}

/* =============================================
   FILTER SIDEBAR
============================================= */
.plp-filters {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--cat-strip-height) + 72px + 57px);
  max-height: calc(100vh - 220px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-medium) transparent;
}

.plp-filters__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.plp-filters__title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.plp-filters__clear {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-primary-700);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s ease;
}

.plp-filters__clear:hover { color: var(--color-primary-800); text-decoration: underline; }

/* Filter group */
.plp-filter-group {
  border-bottom: 1px solid var(--color-border-light);
}

.plp-filter-group:last-child { border-bottom: none; }

.plp-filter-group__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.plp-filter-group__name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.plp-filter-group__chevron {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.plp-filter-group--open .plp-filter-group__chevron {
  transform: rotate(180deg);
}

.plp-filter-group__body {
  padding: 0 var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.plp-filter-group--closed .plp-filter-group__body {
  display: none;
}

/* Filter option */
.plp-filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-1) 0;
}

.plp-filter-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  accent-color: var(--color-primary-700);
  flex-shrink: 0;
}

.plp-filter-option__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex: 1;
  cursor: pointer;
}

.plp-filter-option__count {
  font-size: 10px;
  color: var(--color-text-muted);
  background-color: var(--color-bg-tertiary);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

/* Price range */
.plp-filter-price {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0 var(--space-5) var(--space-4);
}

.plp-filter-price__inputs {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.plp-filter-price__input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  border: 1.5px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  font-family: inherit;
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.2s ease;
}

.plp-filter-price__input:focus { border-color: var(--color-primary-700); }

.plp-filter-price__sep {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Rating filter */
.plp-filter-rating {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0 var(--space-5) var(--space-4);
}

.plp-filter-rating__option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-1) 0;
}

.plp-filter-rating__stars {
  display: flex;
  gap: 1px;
}

.plp-filter-rating__star {
  width: 13px;
  height: 13px;
  fill: var(--color-warning-500);
}

.plp-filter-rating__label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* =============================================
   PRODUCT GRID
============================================= */
.plp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

/* ── PLP product card — slightly larger than the carousel variant ── */
.plp-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
  cursor: pointer;
  position: relative;
}

.plp-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

/* Image */
.plp-card__image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--color-bg-tertiary);
  overflow: hidden;
  flex-shrink: 0;
}

.plp-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--ease-out);
}

.plp-card__image-placeholder svg {
  width: 100%;
  height: 100%;
}

.plp-card__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-4);
  transition: transform 0.4s var(--ease-out);
}

.plp-card:hover .plp-card__image-placeholder {
  transform: scale(1.05);
}

/* Badge */
.plp-card__badge {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: 3px var(--space-2);
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-md);
  z-index: 1;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.plp-card__badge--primary { background: var(--color-primary-700); color: #fff; }
.plp-card__badge--accent  { background: var(--color-accent-500);  color: #fff; }
.plp-card__badge--success { background: var(--color-success-500); color: #fff; }

/* Wishlist */
.plp-card__wishlist {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: rgba(255,255,255,0.92);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition-fast);
  z-index: 1;
  box-shadow: var(--shadow-sm);
}

.plp-card__wishlist svg { width: 16px; height: 16px; }

.plp-card:hover .plp-card__wishlist { opacity: 1; transform: scale(1); }
.plp-card__wishlist:hover { color: #ef4444; }

/* Body */
.plp-card__body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.plp-card__brand {
  font-size: 10px;
  font-weight: var(--font-bold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.plp-card__name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Rating */
.plp-card__rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.plp-card__stars { display: flex; gap: 1px; }

.plp-card__star {
  width: 12px;
  height: 12px;
  fill: var(--color-warning-500);
}

.plp-card__star--empty { fill: var(--gray-300); }

.plp-card__review-count {
  font-size: 10px;
  color: var(--color-text-muted);
}

/* Price */
.plp-card__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
}

.plp-card__price-sale {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text-primary);
}

.plp-card__price-original {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.plp-card__price-discount {
  font-size: 10px;
  font-weight: var(--font-bold);
  color: var(--color-success-600);
  background-color: #dcfce7;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

/* EMI badge */
.plp-card__emi {
  font-size: 10px;
  color: var(--color-primary-700);
  font-weight: var(--font-semibold);
}

/* Footer / CTA */
.plp-card__footer {
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.plp-card__cta {
  width: 100%;
  justify-content: center;
  padding-block: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
}

/* =============================================
   EMPTY STATE
============================================= */
.plp-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-20) var(--space-6);
  text-align: center;
}

.plp-empty__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-2xl);
  background-color: var(--color-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.plp-empty__icon svg { width: 40px; height: 40px; color: var(--color-primary-400); }

.plp-empty__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.plp-empty__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* =============================================
   PAGINATION
============================================= */
.plp-pagination {
  padding-block: var(--space-8) var(--space-12);
}

.plp-pagination__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.plp-pagination__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-border-medium);
  background-color: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-fast);
  text-decoration: none;
}

.plp-pagination__btn:hover {
  border-color: var(--color-primary-700);
  color: var(--color-primary-700);
  background-color: var(--color-primary-50);
}

.plp-pagination__btn--active {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
  color: #fff;
  pointer-events: none;
}

.plp-pagination__btn--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.plp-pagination__ellipsis {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 0 var(--space-1);
  user-select: none;
}

/* =============================================
   MOBILE FILTER BOTTOM SHEET
============================================= */
.plp-filter-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.4);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  backdrop-filter: blur(2px);
}

.plp-filter-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.plp-filter-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-modal);
  background-color: var(--color-bg-card);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease-out);
  box-shadow: 0 -8px 32px rgba(0,0,0,0.15);
}

.plp-filter-sheet.open {
  transform: translateY(0);
}

.plp-filter-sheet__handle {
  width: 40px;
  height: 4px;
  border-radius: var(--radius-full);
  background-color: var(--color-border-medium);
  margin: var(--space-3) auto var(--space-1);
}

.plp-filter-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.plp-filter-sheet__title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
}

.plp-filter-sheet__close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-secondary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.plp-filter-sheet__close svg { width: 14px; height: 14px; }

.plp-filter-sheet__content {
  padding: var(--space-4) var(--space-5) var(--space-8);
}

.plp-filter-sheet__apply {
  position: sticky;
  bottom: 0;
  background-color: var(--color-bg-card);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1200px) {
  .plp__container { padding-inline: var(--container-padding-tablet); }
  .plp-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .plp-body__inner { grid-template-columns: 220px 1fr; gap: var(--space-4); }
}

@media (max-width: 768px) {
  .plp__container { padding-inline: var(--container-padding-mobile); }
  .plp-body__inner { grid-template-columns: 1fr; }
  .plp-filters { display: none; }
  .plp-toolbar__filter-btn { display: inline-flex; }
  .plp-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .plp-banner__illustration { display: none; }
  .plp-banner__content { padding: var(--space-5) var(--space-5); }
  .plp-toolbar {
    top: calc(var(--cat-strip-height-mobile) + 118px);
  }
}

@media (max-width: 480px) {
  .plp-grid { gap: var(--space-3); }
  .plp-card__price-sale { font-size: var(--text-lg); }
  .plp-banner__inner { min-height: 140px; }
  .plp-sort__label { display: none; }
}