/* ============================================
   AETERNA — Shop Page Styles
   ============================================ */

.shop-header {
  padding: var(--space-8) 0 var(--space-12);
  text-align: center;
}

.shop-header__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.shop-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Layout */
.shop-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-10);
  align-items: start;
}

.shop-content {
  padding-bottom: clamp(var(--space-16), 6vw, var(--space-24));
}

/* Filters Sidebar */
.shop-filters {
  position: sticky;
  top: 100px;
}

.shop-filters__group {
  margin-bottom: var(--space-8);
}

.shop-filters__title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.shop-filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-interactive);
}

.shop-filter-option:hover {
  color: var(--color-text);
}

.shop-filter-option input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-interactive);
  position: relative;
  flex-shrink: 0;
}

.shop-filter-option input[type="radio"]:checked {
  border-color: var(--color-primary);
}

.shop-filter-option input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--color-primary);
}

.shop-filter-option input[type="radio"]:checked + span,
.shop-filter-option:has(input:checked) {
  color: var(--color-text);
  font-weight: 500;
}

/* Toolbar */
.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  gap: var(--space-4);
}

.shop-toolbar__count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.shop-toolbar__sort {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.shop-toolbar__sort label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.shop-toolbar__sort select {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition-interactive);
}

.shop-toolbar__sort select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.shop-toolbar__filter-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: all var(--transition-interactive);
}

.shop-toolbar__filter-toggle svg {
  width: 16px;
  height: 16px;
}

.shop-toolbar__filter-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* Product Grid */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.shop-grid .product-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Quick add button */
.product-card__quick-add {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  padding: var(--space-2) var(--space-6);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  opacity: 0;
  transition: all 0.3s var(--ease-out);
  z-index: 2;
  white-space: nowrap;
}

.product-card:hover .product-card__quick-add {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.product-card__quick-add:hover {
  background: var(--color-primary);
  color: #FAFAF8;
  border-color: var(--color-primary);
}

/* Empty state */
.shop-empty {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-muted);
}

.shop-empty p {
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

/* CTA Section */
.shop-cta {
  padding: clamp(var(--space-12), 4vw, var(--space-20)) 0;
  background: var(--color-surface);
}

.shop-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.shop-cta__text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.shop-cta__text p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 500px;
}

.shop-cta__buttons {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.shop-cta .btn--primary {
  background: var(--color-primary);
  color: #FAFAF8;
}

.shop-cta .btn--primary:hover {
  background: var(--color-primary-hover);
}

.shop-cta .btn--outline {
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.shop-cta .btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Active nav link */
.nav__links a.active {
  color: var(--color-text);
}

/* Responsive */
@media (max-width: 1024px) {
  .shop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .shop-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .shop-filters {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 150;
    background: var(--color-bg);
    padding: var(--space-16) var(--space-6) var(--space-6);
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.4s var(--ease-out);
  }

  .shop-filters.active {
    transform: translateX(0);
  }

  .shop-toolbar__filter-toggle {
    display: flex;
  }

  .shop-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .shop-cta__inner {
    flex-direction: column;
    text-align: center;
  }

  .shop-cta__buttons {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .shop-grid {
    gap: var(--space-3);
  }
}