/* =========================================================
   SliderLab – Public Frontend Stylesheet
   Mobile-first, lightweight, zero framework dependency
   ========================================================= */

/* ---- Variables ---- */
:root {
  --sl-accent:        #6c63ff;
  --sl-accent-hover:  #5a52e0;
  --sl-radius:        10px;
  --sl-radius-sm:     6px;
  --sl-shadow:        0 4px 20px rgba(0,0,0,.10);
  --sl-shadow-hover:  0 8px 32px rgba(0,0,0,.16);
  --sl-transition:    .25s ease;
  --sl-cat-bg:        #fff;
  --sl-cat-border:    #e8eaf0;
  --sl-text:          #1a1d2e;
  --sl-text-muted:    #6b7280;
  --sl-btn-radius:    6px;
}

/* ---- Outer wrapper ---- */
.sl-slider-wrap {
  width: 100%;
  position: relative;
  margin-bottom: 32px;
}

/* =========================================================
   CATEGORY SLIDER (CSS scroll-snap — no external library)
   ========================================================= */

.sl-category-slider {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0 16px;
}

.sl-cat-track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
  padding: 4px 2px 8px;
  flex: 1;
}

.sl-cat-track::-webkit-scrollbar { display: none; }

.sl-cat-item {
  scroll-snap-align: start;
  flex-shrink: 0;
  display: flex;
  align-items: stretch;
}

/* Nav buttons */
.sl-cat-prev,
.sl-cat-next {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  color: #444;
  transition: background .2s ease, color .2s ease, opacity .25s ease, transform .15s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,.12);
  z-index: 2;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.sl-cat-prev:hover,
.sl-cat-next:hover {
  background: rgba(255, 255, 255, 0.97);
  color: var(--sl-accent);
  transform: scale(1.08);
}

.sl-cat-prev:active,
.sl-cat-next:active {
  transform: scale(0.95);
}

@media ( max-width: 640px ) {
  .sl-cat-prev,
  .sl-cat-next {
    width: 36px;
    height: 36px;
    min-width: 36px;
    font-size: 20px;
  }
}

.sl-category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 14px;
  background: var(--sl-cat-bg);
  border: 2px solid var(--sl-cat-border);
  border-radius: var(--sl-radius);
  cursor: pointer;
  min-width: 100px;
  width: 100%;
  flex: 1;
  min-height: 90px;
  text-align: center;
  transition: border-color var(--sl-transition), box-shadow var(--sl-transition), transform var(--sl-transition);
  user-select: none;
  outline: none;
  box-sizing: border-box;
}

.sl-category-card:focus-visible {
  box-shadow: 0 0 0 3px rgba(108,99,255,.35);
}

/* Hover effects – only when the wrapper has .sl-hover-enabled */
.sl-hover-enabled .sl-category-card:hover {
  border-color: var(--sl-accent);
  box-shadow: var(--sl-shadow-hover);
  transform: translateY(-3px);
}

/* Active state */
.sl-category-card.sl-category-active {
  border-color: var(--sl-accent);
  background: rgba(108,99,255,.05);
}

/* Icon */
.sl-category-card .sl-icon svg,
.sl-category-card .sl-icon {
  width: 40px;
  height: 40px;
  color: var(--sl-accent);
}

/* Category image */
.sl-category-image {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sl-category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sl-placeholder-icon { font-size: 24px; }

/* Category name */
.sl-category-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--sl-text);
  line-height: 1.3;
}

.sl-category-count {
  font-size: 11px;
  color: var(--sl-text-muted);
}

/* Nav arrows */
.sl-nav-next,
.sl-nav-prev {
  color: var(--sl-accent);
}

.sl-nav-next::after,
.sl-nav-prev::after {
  font-size: 14px !important;
  font-weight: 900;
}

/* =========================================================
   CONTENT AREA
   ========================================================= */

.sl-content-area {
  margin-top: 24px;
  min-height: 40px;
  position: relative;
}

/* Skeleton loader */
.sl-skeleton-grid {
  display: grid;
  gap: 16px;
}

.sl-skeleton-card {
  background: #f3f4f6;
  border-radius: var(--sl-radius);
  overflow: hidden;
  animation: sl-pulse 1.4s ease-in-out infinite;
}

.sl-skeleton-card .sl-skel-img {
  height: 160px;
  background: #e5e7eb;
}

.sl-skeleton-card .sl-skel-body { padding: 12px; }
.sl-skeleton-card .sl-skel-line {
  height: 12px;
  background: #e5e7eb;
  border-radius: 4px;
  margin-bottom: 8px;
}
.sl-skeleton-card .sl-skel-line.sl-skel-short { width: 60%; }

@keyframes sl-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .55; }
}

/* ---- Grid layout ---- */
.sl-layout-grid .sl-items-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat( var(--sl-cols, 4), 1fr );
}

/* ---- List layout ---- */
.sl-layout-list .sl-items-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* =========================================================
   PRODUCT CARD
   ========================================================= */

.sl-product-card {
  background: #fff;
  border: 1px solid var(--sl-cat-border);
  border-radius: var(--sl-radius);
  overflow: hidden;
  box-shadow: var(--sl-shadow);
  transition: transform var(--sl-transition), box-shadow var(--sl-transition);
  display: flex;
  flex-direction: column;
}

.sl-hover-enabled .sl-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sl-shadow-hover);
}

.sl-product-card .sl-product-image {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 200px;
  background: #f9fafb;
  padding: 8px;
  box-sizing: border-box;
}

.sl-product-card .sl-product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--sl-transition);
}

.sl-hover-enabled .sl-product-card:hover .sl-product-image img {
  transform: scale(1.04);
}

.sl-product-info {
  padding: 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sl-product-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 6px;
  line-height: 1.4;
}

.sl-product-title a {
  color: var(--sl-text);
  text-decoration: none;
}
.sl-product-title a:hover { color: var(--sl-accent); }

.sl-product-price {
  font-size: 15px;
  font-weight: 700;
  color: var(--sl-accent);
  margin-bottom: 12px;
}

.sl-product-footer {
  margin-top: auto;
  padding-top: 10px;
}

.sl-add-to-cart {
  display: block;
  width: 100%;
  padding: 9px 16px;
  background: var(--sl-accent);
  color: #fff !important;
  border-radius: var(--sl-btn-radius);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: background-color var(--sl-transition);
  box-sizing: border-box;
}
.sl-add-to-cart:hover,
.sl-add-to-cart:focus {
  background: var(--sl-accent-hover);
  color: #fff !important;
}


/* ---- Star ratings ---- */
.sl-product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 6px;
}

.sl-star { font-size: 13px; line-height: 1; }
.sl-star--full  { color: #f0a500; }
.sl-star--half  { color: #f0a500; opacity: .6; }
.sl-star--empty { color: #d1d5db; }

.sl-rating-count {
  font-size: 11px;
  color: var(--sl-text-muted);
}

/* ---- Stock badge ---- */
.sl-stock {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.sl-stock--ok  { background: rgba(76,175,125,.12); color: #27ae60; }
.sl-stock--low { background: rgba(240,165,0,.12);  color: #f0a500; }
.sl-stock--out { background: rgba(255,92,92,.12);  color: #e74c3c; }

/* List variant */
.sl-layout-list .sl-product-card {
  display: flex;
  flex-direction: row;
}
.sl-layout-list .sl-product-card .sl-product-image {
  width: 120px;
  flex-shrink: 0;
  aspect-ratio: unset;
}
.sl-layout-list .sl-product-image img { height: 100%; }

/* =========================================================
   POST CARD
   ========================================================= */

.sl-post-card {
  background: #fff;
  border: 1px solid var(--sl-cat-border);
  border-radius: var(--sl-radius);
  overflow: hidden;
  box-shadow: var(--sl-shadow);
  transition: transform var(--sl-transition), box-shadow var(--sl-transition);
}

.sl-hover-enabled .sl-post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sl-shadow-hover);
}

.sl-post-image {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 180px;
  background: #f9fafb;
  padding: 8px;
  box-sizing: border-box;
}

.sl-post-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--sl-transition);
}

.sl-hover-enabled .sl-post-card:hover .sl-post-image img { transform: scale(1.04); }

.sl-post-info { padding: 14px; }

.sl-post-date {
  font-size: 11px;
  color: var(--sl-text-muted);
  display: block;
  margin-bottom: 6px;
}

.sl-post-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.4;
}
.sl-post-title a { color: var(--sl-text); text-decoration: none; }
.sl-post-title a:hover { color: var(--sl-accent); }

.sl-post-excerpt {
  font-size: 13px;
  color: var(--sl-text-muted);
  line-height: 1.6;
  margin: 0 0 12px;
}

.sl-read-more {
  display: block;
  width: 100%;
  padding: 9px 16px;
  background: var(--sl-accent);
  color: #fff !important;
  border-radius: var(--sl-btn-radius);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: background-color var(--sl-transition);
  box-sizing: border-box;
}
.sl-read-more:hover,
.sl-read-more:focus {
  background: var(--sl-accent-hover);
  color: #fff !important;
  text-decoration: none;
}

/* No image placeholder */
.sl-no-image {
  width: 100%;
  height: 100%;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #d1d5db;
}

/* =========================================================
   LOAD MORE
   ========================================================= */

.sl-load-more-wrap {
  text-align: center;
  margin-top: 24px;
}

.sl-load-more-btn {
  padding: 11px 32px;
  background: transparent;
  border: 2px solid var(--sl-accent);
  color: var(--sl-accent);
  border-radius: var(--sl-btn-radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--sl-transition), color var(--sl-transition);
}

.sl-load-more-btn:hover {
  background: var(--sl-accent);
  color: #fff;
}

.sl-load-more-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

/* =========================================================
   EMPTY / ERROR STATES
   ========================================================= */

.sl-no-categories,
.sl-no-items {
  text-align: center;
  padding: 32px;
  color: var(--sl-text-muted);
  font-size: 14px;
}

.sl-ajax-error {
  text-align: center;
  padding: 24px;
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: var(--sl-radius);
  color: #dc2626;
  font-size: 13px;
}

/* =========================================================
   RESPONSIVE – column CSS custom property
   ========================================================= */

/* Product/post grid columns */
@media ( min-width: 1024px ) {
  .sl-layout-grid .sl-items-grid {
    grid-template-columns: repeat( var(--sl-cols-desktop, 4), 1fr );
  }
  .sl-cat-item {
    min-width: calc( 100% / var(--sl-cat-cols-desktop, 6) - 10px );
  }
}

@media ( min-width: 641px ) and ( max-width: 1023px ) {
  .sl-layout-grid .sl-items-grid {
    grid-template-columns: repeat( var(--sl-cols-tablet, 3), 1fr );
  }
  .sl-cat-item {
    min-width: calc( 100% / var(--sl-cat-cols-tablet, 4) - 10px );
  }
}

@media ( max-width: 640px ) {
  .sl-layout-grid .sl-items-grid {
    grid-template-columns: repeat( var(--sl-cols-mobile, 2), 1fr );
  }
  .sl-cat-item {
    min-width: calc( 100% / var(--sl-cat-cols-mobile, 3) - 10px );
  }
  .sl-layout-list .sl-product-card .sl-product-image {
    width: 90px;
  }
}