/* ============================================
   Shop Page Styles (REFACTORED ✅)
   Premium minimalist spec
   ============================================ */

.shop-header {
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  text-align: center;
  background: var(--bg-primary);
  border-bottom: 0.5px solid var(--border);
}

.shop-title {
  font-size: clamp(28px, 6vw, 34px);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  line-height: 1.2;
  max-height: 4.8em;
}

.shop-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* Shop Layout */
.shop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  padding: 48px 24px 100px;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Filter Panel */
.filter-panel {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border);
  height: fit-content;
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.filter-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.filter-close {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-text-secondary);
}

.filter-group {
  margin-bottom: 28px;
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9375rem;
  cursor: pointer;
  color: var(--color-text);
  transition: var(--transition);
}

.filter-checkbox:hover {
  color: var(--color-accent);
}

.filter-checkbox input {
  display: none;
}

.checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.checkmark::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s ease;
  margin-bottom: 2px;
}

.filter-checkbox input:checked + .checkmark {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.filter-checkbox input:checked + .checkmark::after {
  transform: rotate(45deg) scale(1);
}

.price-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-range input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: var(--transition);
}

.price-range input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

.price-range span {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.filter-clear {
  width: 100%;
  padding: 12px;
  font-size: 0.9375rem;
}

/* Shop Main */
.shop-main {
  min-width: 0;
}

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  color: var(--color-text);
}

.filter-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.results-count {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.sort-select {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}

.sort-select:focus {
  border-color: var(--color-accent);
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

/* Product Cards - STRICT RULES */
.shop-grid .product-card {
  background: var(--bg-primary);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-card);
  padding: 12px;
  transition: border-color 0.2s ease;
  position: relative;
}

.shop-grid .product-card:hover {
  border-color: var(--text-primary);
}

.shop-grid .product-image-wrapper {
  background: var(--bg-image);
  border-radius: var(--radius-sm);
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  position: relative;
  overflow: hidden;
}

.shop-grid .product-image {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

/* Badges */
.shop-grid .product-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  z-index: 2;
}

.badge-new {
  background: rgba(201, 168, 76, 0.12);
  color: var(--color-accent);
}

.badge-sale {
  background: rgba(201, 168, 76, 0.12);
  color: var(--color-accent);
}

/* Product Info */
.shop-grid .product-info {
  padding-top: var(--space-sm);
  text-align: left;
}

.shop-grid .product-brand {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.shop-grid .product-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.shop-grid .product-price {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

/* Add Button */
.shop-grid .add-to-cart {
  min-width: 140px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.shop-grid .add-to-cart:hover {
  background: rgba(201, 168, 76, 0.08);
  border-color: var(--color-accent);
}

.shop-grid .add-to-cart svg {
  width: 16px;
  height: 16px;
}

.product-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

.add-to-cart svg {
  margin-right: 6px;
}

/* Shop product card hover overlay */
.shop-grid .product-card {
  position: relative;
  will-change: transform, box-shadow;
}

.shop-grid .product-card .product-image-wrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.3s ease;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.shop-grid .product-card:hover .product-image-wrapper::after {
  background: rgba(0, 0, 0, 0.04);
}

/* Quick view button on hover */
.shop-grid .product-card .quick-view-btn {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  z-index: 5;
}

.shop-grid .product-card:hover .quick-view-btn {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Filter panel enhanced transitions */
.filter-panel {
  transition:
    transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s ease;
}

.filter-checkbox {
  position: relative;
}

.filter-checkbox::before {
  content: "";
  position: absolute;
  left: -8px;
  right: -8px;
  top: -4px;
  bottom: -4px;
  background: rgba(0, 113, 227, 0);
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
  z-index: -1;
}

.filter-checkbox:hover::before {
  background: rgba(0, 113, 227, 0.04);
}

/* Sort select enhanced */
.sort-select {
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.sort-select:hover {
  border-color: var(--color-accent);
}

/* No Results */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-secondary);
}

.no-results p {
  font-size: 1.125rem;
  margin-bottom: 24px;
}

/* Recommendation Banner */
.recommendation-banner {
  margin-bottom: 24px;
}

.recommendation-banner-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.banner-text {
  flex: 1;
  min-width: 0;
}

.banner-text p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
}

.banner-text strong {
  font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
  .shop-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .filter-panel {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    z-index: 1500;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

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

  .filter-close {
    display: flex;
  }

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

@media (max-width: 768px) {
  .shop-header {
    padding: 40px 24px 32px;
  }

  .shop-toolbar {
    gap: 12px;
  }

  .results-count {
    order: 3;
    width: 100%;
    text-align: center;
  }

  .shop-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .shop-header {
    padding: 24px 16px 16px;
  }

  .shop-title {
    font-size: 1.5rem;
  }

  .shop-toolbar {
    flex-direction: column;
    gap: 12px;
  }

  .search-box {
    width: 100%;
  }

  .sort-select {
    width: 100%;
  }

  .results-count {
    font-size: 0.875rem;
  }

  .product-card {
    padding: 12px;
  }

  .product-actions {
    flex-direction: column;
    gap: 8px;
  }

  .btn-sm {
    width: 100%;
    padding: 10px 16px;
    font-size: 0.8125rem;
  }

  .filter-toggle {
    padding: 10px 16px;
    font-size: 0.875rem;
  }

  .shop-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}