/* ============================================
   КОТОВСК ФАРМ — Catalog Page Styles
   Taste-skill: generous spacing, spring motion,
   glassmorphism, diffuse shadows, tactile feedback
   ============================================ */

/* ---- Catalog Hero ---- */
.cat-hero {
  padding: clamp(120px, 15vw, 160px) 0 clamp(40px, 5vw, 64px);
  background: var(--color-bg-alt);
  position: relative;
  transition: background var(--duration-slow) var(--ease);
}

.cat-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.cat-hero__breadcrumb a {
  color: var(--color-primary);
  transition: opacity var(--duration) var(--ease);
}

.cat-hero__breadcrumb a:hover {
  opacity: 0.7;
}

.cat-hero__breadcrumb svg {
  opacity: 0.4;
  flex-shrink: 0;
}

.cat-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 12px;
  transition: color var(--duration-slow) var(--ease);
}

.cat-hero__subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--color-text-muted);
  max-width: 540px;
  line-height: 1.6;
  transition: color var(--duration-slow) var(--ease);
}

/* ---- Search ---- */
.cat-search {
  margin-top: 28px;
  position: relative;
  max-width: 480px;
}

.cat-search__icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  transition: color var(--duration) var(--ease);
}

.cat-search__input {
  width: 100%;
  padding: 16px 48px 16px 52px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: all var(--duration) var(--ease);
  box-shadow: var(--shadow-sm);
}

.cat-search__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.cat-search__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12), var(--shadow-md);
  background: var(--color-bg);
}

.cat-search__clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--duration) var(--ease);
}

.cat-search__clear:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

/* ---- Category Tabs (horizontal scrollable with arrows) ---- */

.cat-tabs-wrapper {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}

.cat-tabs-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  flex-shrink: 0;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.cat-tabs-arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.25);
  transform: scale(1.08);
}

.cat-tabs-arrow:active {
  transform: scale(0.95);
}

.cat-tabs-arrow[hidden] {
  display: none;
}

/* Fade edges to hint at scrollable content */
.cat-tabs-wrapper::before,
.cat-tabs-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 48px;
  pointer-events: none;
  z-index: 1;
  transition: opacity var(--duration) var(--ease);
}

.cat-tabs-wrapper::before {
  left: 40px;
  background: linear-gradient(to right, var(--color-bg), transparent);
  opacity: 0;
}

.cat-tabs-wrapper.has-scroll-left::before {
  opacity: 1;
}

.cat-tabs-wrapper::after {
  right: 40px;
  background: linear-gradient(to left, var(--color-bg), transparent);
  opacity: 0;
}

.cat-tabs-wrapper.has-scroll-right::after {
  opacity: 1;
}

[data-theme="dark"] .cat-tabs-wrapper::before {
  background: linear-gradient(to right, rgba(11, 20, 16, 0.85), transparent);
}

[data-theme="dark"] .cat-tabs-wrapper::after {
  background: linear-gradient(to left, rgba(11, 20, 16, 0.85), transparent);
}

.cat-filters {
  position: sticky;
  top: 68px;
  z-index: 90;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-slow) var(--ease), border-color var(--duration-slow) var(--ease);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

[data-theme="dark"] .cat-filters {
  background: rgba(11, 20, 16, 0.85);
}

.cat-tabs {
  display: flex;
  gap: 8px;
  padding: 14px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.cat-tabs::-webkit-scrollbar {
  display: none;
}

.cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.cat-tab svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity var(--duration) var(--ease);
}

.cat-tab:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

.cat-tab:hover svg {
  opacity: 1;
}

.cat-tab:active {
  transform: scale(0.97);
}

.cat-tab.is-active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.25);
}

.cat-tab.is-active svg {
  opacity: 1;
}

/* ---- Products Section ---- */
.cat-products {
  padding: clamp(32px, 4vw, 48px) 0 clamp(48px, 6vw, 80px);
  background: var(--color-bg);
  min-height: 60vh;
  transition: background var(--duration-slow) var(--ease);
}

/* ---- Counter ---- */
.cat-counter {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-variant-numeric: tabular-nums;
  transition: color var(--duration-slow) var(--ease);
}

/* ---- Product Grid ---- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---- Product Card (taste-skill: generous padding, diffuse shadow, spring hover) ---- */
.product-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
  border-color: rgba(var(--color-primary-rgb), 0.2);
}

[data-theme="dark"] .product-card:hover {
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.3);
}

.product-card:active {
  transform: translateY(-2px) scale(0.99);
}

/* Badge */
.product-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), #D4924A);
  border-radius: var(--radius-full);
  z-index: 2;
  box-shadow: 0 4px 12px rgba(var(--color-accent-rgb), 0.3);
}

/* Image area */
.product-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background var(--duration-slow) var(--ease);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-card__image img {
  transform: scale(1.06);
}

.product-card__placeholder-icon {
  color: var(--color-primary);
  opacity: 0.4;
  transition: opacity var(--duration) var(--ease);
}

.product-card:hover .product-card__placeholder-icon {
  opacity: 0.6;
}

/* Body */
.product-card__body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__cat {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 8px;
  transition: color var(--duration-slow) var(--ease);
}

.product-card__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 8px;
  transition: color var(--duration-slow) var(--ease);
}

.product-card__desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
  transition: color var(--duration-slow) var(--ease);
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), #D4924A);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.product-card__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--color-accent-rgb), 0.3);
}

.product-card__cta:active {
  transform: translateY(0) scale(0.98);
}

/* ---- Card enter animation ---- */
.product-card {
  opacity: 0;
  transform: translateY(24px);
  animation: card-enter 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes card-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered delay (set via JS) */
.product-card:nth-child(1) { animation-delay: 0ms; }
.product-card:nth-child(2) { animation-delay: 50ms; }
.product-card:nth-child(3) { animation-delay: 100ms; }
.product-card:nth-child(4) { animation-delay: 150ms; }
.product-card:nth-child(5) { animation-delay: 200ms; }
.product-card:nth-child(6) { animation-delay: 250ms; }
.product-card:nth-child(7) { animation-delay: 300ms; }
.product-card:nth-child(8) { animation-delay: 350ms; }

/* When re-filtered, reset animation */
.product-card.is-entering {
  animation: card-enter 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Hidden card */
.product-card.is-hidden {
  display: none;
}

/* ---- Empty state ---- */
.cat-empty {
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-muted);
}

.cat-empty svg {
  margin-bottom: 16px;
}

.cat-empty p {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

/* ---- CTA Banner ---- */
.cat-cta {
  padding: clamp(48px, 6vw, 80px) 0;
  background: var(--color-primary-dark);
}

.cat-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cat-cta__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.cat-cta__text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
  line-height: 1.6;
}

.cat-cta__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* ---- Responsive ---- */

/* Tablet */
@media (max-width: 1024px) {
  .cat-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .cat-hero {
    padding-top: 110px;
  }

  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .cat-cta__inner {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }

  .cat-cta__text {
    max-width: 100%;
  }

  .cat-cta__actions {
    flex-direction: column;
    width: 100%;
  }

  .cat-cta__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .product-card__body {
    padding: 16px 16px 20px;
  }

  .product-card__title {
    font-size: 0.9rem;
  }

  .product-card__desc {
    font-size: 0.78rem;
  }
}

@media (max-width: 480px) {
  .cat-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cat-tab {
    padding: 8px 14px;
    font-size: 0.8rem;
  }

  .cat-search {
    max-width: 100%;
  }

  .product-card {
    flex-direction: row;
  }

  .product-card__image {
    width: 120px;
    min-height: 120px;
    aspect-ratio: auto;
    flex-shrink: 0;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  }

  .product-card__badge {
    top: 8px;
    left: 8px;
    font-size: 0.65rem;
    padding: 3px 8px;
  }

  .product-card__body {
    padding: 14px;
  }

  .product-card__title {
    font-size: 0.88rem;
  }
}

/* ---- Glassmorphism for sticky filters on dark ---- */
[data-theme="dark"] .cat-filters {
  border-bottom-color: var(--color-border);
}